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Bessel’s Correction: Why Do We Divide by n−1 Instead of n in Sample Variance?
Understanding the Unbiased Estimation of Population VarianceIn statistics, a common point of confusion for many learners is why we divide by n1 when calculating sample variance, rather than simply using n, the number of observations in the sample. This choice may seem small but is a critical adjustment that corrects for a natural bias that occurs when we estimate the variance of a population from a sample. Let’s walk...
Published on: December 18, 2024 | Source:
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More than 140 Kenya Facebook moderators diagnosed with severe PTSD
Exclusive: Lawsuit brought by former moderators against parent company Meta and outsourcer Samasource KenyaPTSD, depression and anxiety: why former Facebook moderators in Kenya are taking legal action‘The work damaged me’: ex-Facebook moderators describe effect of horrific contentMore than 140 Facebook content moderators have been diagnosed with severe post-traumatic stress disorder caused by exposure to graphic social...
Published on: December 18, 2024 | Source:CarlinKit 5 delivers solid wireless CarPlay... most of the time
If you've driven a car made in the last decade, there's a good chance you've already used Apple CarPlay or Android Auto, which mirrors the contents of your phone on your car's infotainment display. Both features are a major step up from Bluetooth audio, but there's one potential downside: Most of the time, you'll have to plug your phone into your car with a USB cable. Wireless CarPlay and Android Auto options exist on...
Published on: December 18, 2024 | Source:The Morning After: The OnePlus 13 will shrug off high-pressure water jets
OnePlus will launch its new flagship series, the OnePlus 13, on January 7, 2025. It’s getting increasingly difficult for smartphone makers to differentiate or push the envelope, but OnePlus is at least trying. Its new phone series will have IP68 and IP69 ratings. IP68 certification means the device has protection against submerging and dust, the usual stuff, but the IP69 rating takes water resistance a step further,...
Published on: December 18, 2024 | Source:Seagate teases its first HAMR-based hard drive
A new hard drive based on the long-promised heat-assisted magnetic recording (HAMR) technology is almost here. Tom’s Hardware reported that a new sales page popped up on the Seagate website announcing a new Exos M 30TM and 32TB hard disk drive (HDD) featuring 3TB per platter with three times the power efficiency per terabyte compared to other hard drives. The new hard drive is based on Seagate’s new Mozaic 3+ platform...
Published on: December 18, 2024 | Source:UIKit Apprentice [SUBSCRIBER]
For Complete Beginners! If you’re completely new to Swift and iOS development (or need a brush-up), this is the series for you. The UIKit Apprentice is a series of epic-length tutorials for beginners where you’ll learn how to build four complete apps from scratch. Each new app will be a little more advanced than the one before, and together they cover everything you need to know to make your own apps. By the end of the...
Published on: December 18, 2024 | Source:Grubhub pays $25 million for allegedly tricking customers and lying to drivers
Image: Cath Virginia / The Verge Grubhub has agreed to pay $25 million to settle a Federal Trade Commission lawsuit that claimed the food delivery service misled customers and drivers while also damaging the reputation of restaurants. The proposed settlement will require Grubhub to make several changes to the platform, such as showing the total delivery cost when customers place an order. Along with advertising “highly...
Published on: December 17, 2024 | Source:Grubhub settles with the FTC over adding restaurants without their consent
Grubhub has agreed to pay $25 million to settle charges from the Federal Trade Commission (FTC) and the Illinois Attorney General. The company was accused of a laundry list of sketchy behavior, including misleading customers about delivery charges, deceiving delivery drivers about income and listing restaurants on the platform without consent. Last month, the food delivery startup Wonder bought Grubhub for one-tenth of...
Published on: December 17, 2024 | Source:Elon Musk, SpaceX reportedly under federal review for undisclosed meetings with foreign leaders
Elon Musk and SpaceX are under three federal reviews from three different US military departments for allegedly failing to comply with reporting protocols. The New York Times reported that Musk and his private aerospace company have repeatedly disregarded requirements to disclose trips and meetings with foreign leaders including Russian President Vladimir Putin. The three reviews of Musk and SpaceX’s suspected activity...
Published on: December 17, 2024 | Source:Grubhub to pay $25M for ‘deceptive’ practices against customers, drivers
Grubhub will pay $25 million to settle a lawsuit from the Federal Trade Commission and Illinois Attorney General Kwame Raoul over unlawful practices, including misleading customers about delivery costs, deceiving drivers about potential earnings, and listing restaurants on its platform without their permission. The agencies claim that Grubhub hid the true cost of its delivery […] 2024 TechCrunch. All rights reserved....
Published on: December 17, 2024 | Source:AI boom masks fundraising struggles for non-AI startups
Earlier this year, IVP general partner Tom Loverro proclaimed that the post-pandemic downturn is over, and companies that made it this far should prioritize growth over cost-cutting. Yet, the companies still struggling to raise their next round of financing at a higher valuation or survive altogether could still be in the thousands, according to Brian […] 2024 TechCrunch. All rights reserved. For personal use only.
Published on: December 17, 2024 | Source:CES 2025 preview: The new tech we’re expecting (and hoping) to see in January
The holiday season has barely begun, but some of us are already getting ready for CES 2025. Shortly after New Year’s Day, many from the Engadget team will be packing our bags to fly to Las Vegas, where we’ll be covering tech’s biggest annual conference. As usual, our inboxes are already flooded with pitches from companies that are planning to be there, and our calendars are filling up with appointments for briefings...
Published on: December 17, 2024 | Source:The Morning After: What to expect at CES 2025
The holidays haven’t even kicked off, but we’re already looking to next year when, almost immediately, some of the Engadget team will head to Las Vegas for tech’s biggest annual conference. The pitches from companies, both legit and unhinged, are already filling our inboxes and spam tabs, so what are we excited about? Getty Images Excited might not be the word, but we expect AI to become even more pervasive in good and...
Published on: December 17, 2024 | Source:Seagate launches 32TB Exos M hard drive based on HAMR technology – Mozaic 3+ drives are the world’s first generally available HAMR HDDs
The Exos M 32TB is now Seagate’s biggest hard drive, thanks to cutting-edge HAMR tech that finally materialized.
Published on: December 17, 2024 | Source:How to get paid way more in 2025
To secure a pay raise, finely-tuned negotiation tactics are generally required, but advice on negotiation is always changing.
Published on: December 17, 2024 | Source:Will the future of transportation be robotaxis – or your own self-driving car?
GM is shutting down its robotaxi business, Tesla is creating one of its own – what does the future hold for self-driving?Want TechScape delivered to your inbox? Sign up hereWelcome back. This week in tech: General Motors says goodbye to robotaxis but not self-driving cars; one woman’s fight to keep AI out of applications for housing; Salt Typhoon; and tech’s donations to Donald Trump. Thank you for joining...
Published on: December 17, 2024 | Source:The Audi Q6 E-Tron is an OLED dream machine
Tim Stevens for Engadget I've been on a bit of a quest to replace all the LCD panels in my life with OLED. I recently swapped an aging (and shattered) iPad Pro with a Samsung Galaxy Tab S9, which is much easier on the eyes when watching late-night, trans-Atlantic movies. I've been a Galaxy S user for many years now, and I also switched to a Lenovo X1 Carbon laptop with an OLED display this year. I guess you could say...
Published on: December 17, 2024 | Source:Cambridge Analytica scandal still lingering on as Meta settles with Australian users
The stench of Cambridge Analytica is still hovering over Facebook, as parent Meta just agreed to pay 311,000 Australian users AUD $50 million ($31.7 million) over the scandal. The settlement with the Office of the Australian Information Commissioner (OAIC) comes after a four-year dispute with Meta and follows a $725 million award in the US, along with payouts in the UK and elsewhere. "It represents a substantive...
Published on: December 17, 2024 | Source:The best multi-device wireless charging pads for 2025
There’s a good chance you own a couple of gadgets that support wireless charging now, be it your iPhone or Android phone, wireless earbuds or smartwatch. Multi-device wireless chargers can help power them all up in one place, without the need for a bunch of cords messing up your space. There are dozens of these accessories out there today, and we’ve tested a bunch of the most popular models. You’ll find out top picks...
Published on: December 17, 2024 | Source:ChatGPT Search is now available to everyone
If you've been waiting patiently to try ChatGPT Search, you won't have to wait much longer. After rolling out to paid subscribers this fall, OpenAI announced Monday it's making the tool available to everyone, no Plus or Pro membership necessary. At that point, all you need before you can start using ChatGPT Search is an OpenAI account. Once you're logged in, and if your query calls for it, ChatGPT will automatically...
Published on: December 16, 2024 | Source:OpenAI is almost ready to roll ChatGPT Search out to everyone
If you've been waiting patiently to try ChatGPT Search, you won't have to wait much longer. After rolling out to paid subscribers this fall, OpenAI announced Monday it would make the tool available to everyone, no Plus or Pro membership necessary, "over the coming months." At that point, all you need before you can start using ChatGPT Search is an OpenAI account. Once you're logged in, and if your query calls for it,...
Published on: December 16, 2024 | Source:T-Mobile opens beta test signups for its Starlink satellite cell service
T-Mobile and Starlink are marching forward with their plan to offer cell service via the latter's satellites. The companies received FCC approval for the project last month, and now the provider is opening up registrations for anyone who wants to beta test the creatively dubbed T-Mobile Starlink direct-to-cell satellite service. The first beta test is slated for 2025. It will focus on text messaging at the outset....
Published on: December 16, 2024 | Source:Top 10 Data & AI Trends for 2025
Agentic AI, small data, and the search for value in the age of the unstructured datastack.Image credit: MonteCarloAccording to industry experts, 2024 was destined to be a banner year for generative AI. Operational use cases were rising to the surface, technology was reducing barriers to entry, and general artificial intelligence was obviously right around thecorner.So… did any of thathappen?Well, sort of. Here at the...
Published on: December 16, 2024 | Source:Creating a Web Project: Four Questions to Ask Before You Start
History knows a lot of examples when brilliant ideas were conceived in a garage and started in a somewhat chaotic manner. But it also knows just as many examples of equally brilliant ventures failing because of simple mistakes and a general lack of a systematic approach. I suggest you have a look at four basic steps that can get you some decent insurance against chaos. Get yourself and your team through them — and...
Published on: December 16, 2024 | Source:AbbVie Ireland appoints Dana Kendall as new GM
Kendall takes over from Andrés Rodrigo Díaz, who held the position for more than five years. Read more: AbbVie Ireland appoints Dana Kendall as new GM
Published on: December 16, 2024 | Source:MasterClass subscriptions are buy one, get one free in this last-minute gift deal
If you're looking for a holiday gift, Masterclass has something that may catch your attention. As part of a special holiday offer, you can get two MasterClass annual memberships — one for yourself and one to give away as a gift — for the price of one. Memberships start at $120 per year, which lets you watch on one device at a time, $180 grants access to two devices simultaneously and allows for downloads, and a Family...
Published on: December 16, 2024 | Source:The Morning After: PlayStation vs. Xbox in 2024
The current generation of consoles landed in roughly the same week in November 2020. At launch, the PS5 had seven new exclusive games to the Xbox Series’ two. Sony had a better showing too, with the likes of Demon Souls (sure, a remake) and Spider-Man: Miles Morales. Four years on, the difference between the two consoles remains. We returned to the PlayStation 5 (in its slim iteration) and the Xbox Series X to see how...
Published on: December 16, 2024 | Source:Meta aligns with Musk to challenge OpenAI's shift to for-profit status
Meta Platforms has entered the fray in the ongoing dispute between OpenAI and Elon Musk, urging California's Attorney General Rob Bonta to block OpenAI's planned transition to a for-profit company. This move aligns Meta with Musk in a battle that pits some of Silicon Valley's most influential AI players against...Read Entire Article
Published on: December 16, 2024 | Source:Ask HN: How do you find part time work?
I have a project that I'm working on turning into a small business. I've done some part-time work (retainers and project-based) over the past year and it's gone well. It's relatively high pay for part-time work, leaving me time and flexibility to work on my own project.The thing, I haven't really put much work into finding this kind of work. I've had a few opportunities land in my lap pretty nicely. Now, I need to seek...
Published on: December 15, 2024 | Source:Credit Card Fraud Detection with Different Sampling Techniques
How to deal with imbalanced dataPhoto by Bermix Studio onUnsplashCredit card fraud detection is a plague that all financial institutions are at risk with. In general fraud detection is very challenging because fraudsters are coming up with new and innovative ways of detecting fraud, so it is difficult to find a pattern that we can detect. For example, in the diagram all the icons look the same, but there one icon that...
Published on: December 15, 2024 | Source:Data Valuation — A Concise Overview
Understanding the Value of your Data: Challenges, Methods, and ApplicationsChatGPT and similar LLMs were trained on insane amounts of data. OpenAI and Co. scraped the internet, collecting books, articles, and social media posts to train their models. It’s easy to imagine that some of the texts (like scientific or news articles) were more important than others (such as random Tweets). This is true for almost any dataset...
Published on: December 15, 2024 | Source:A Design Researcher’s Guide to Publishing
A Guide to Publishing Human-Computer Interaction (HCI) and Design ResearchPapersTurn ‘publish or perish’ into ‘learn, write, andshare’When I first started my PhD three years ago, I was very new to the world of academia and the process of publishing in journals and conferences. Coming from Computer Engineering, my PhD involved design research, and I felt that the publishing process for human-computer interaction,...
Published on: December 15, 2024 | Source:‘I received a first but it felt tainted and undeserved’: inside the university AI cheating crisis
More than half of students are now using generative AI, casting a shadow over campuses as tutors and students turn on each other and hardworking learners are caught in the flak. Will Coldwell reports on a broken systemThe email arrived out of the blue: it was the university code of conduct team. Albert, a 19-year-old undergraduate English student, scanned the content, stunned. He had been accused of using artificial...
Published on: December 15, 2024 | Source:Trump’s team reportedly wants to end NHTSA reporting requirement for car crashes involving automated systems
According to a report from Reuters, president-elect Donald Trump’s transition team is trying to kill a rule set by the National Highway Traffic Safety Administration (NHTSA) that requires automakers to report crashes if advanced driver assistance technology or automated driving systems were in use within 30 seconds of the crash. The NHTSA issued the Standing General Order in 2021, stating that its goal is to gather...
Published on: December 14, 2024 | Source:GM ‘blindsides’ Cruise by giving up on robotaxis
Welcome back to Week in Review. This week, we’re looking at GM’s decision to pull out of the robotaxi business, Google alluding to the existence of multiple universes, and how you can make some serious cash by getting an AI bot to fall in love with you. Let’s get into it. General Motors will no […] 2024 TechCrunch. All rights reserved. For personal use only.
Published on: December 14, 2024 | Source: