The intuitive reason for the n−1 is that the n deviations in the calculation of the standard deviation are not independent. There is one constraint which is that the sum of the deviations is zero. When we take that into account we are effectively dealing with n−1 quantities rather than n. Is standard deviation n-1? […]

If you see “Offline,” “No location available,” or “Location Services Off,” your device might be offline for one of these reasons: It’s powered off, the battery has run out, or more than 24 hours passed since the last location was sent to Apple (if Send Last Location is turned on). Can you find your iPhone […]

6. log264=6 because the answer to a log problem is the exponent 6 that will make the base 2 equal the argument 64 . In other words, 26=64 . What is 2 the 4th power? 16Example: 24 = 2 × 2 × 2 × 2 = 16. What is 7 by the power of 2? […]

After selecting the range of cells press Ctrl + C together to copy the range of cells. Again, select a range of cells where you want to paste it and press on to Ctrl + V together to paste it. This is the easiest way of copying and pasting multiple cells altogether. How do I […]

Here’s how to access your Gmail contact records from your Gmail account: Log in to your Gmail account and click on the square-like Google Apps icon on the upper right corner of your Gmail inbox. Click on the Google Contacts icon. Once you click on the icon, your Gmail contact list page will appear. How […]

How to Add Bullet Points in Excel Select the cell in which you want to insert the bullet. Either double click on the cell or press F2 – to get into edit mode. Hold the ALT key, press 7 or 9, leave the ALT key. As soon as you leave the ALT key, a bullet […]

People you’re subscribed to may receive a notification that you’re following them, depending on their notification settings. They’ll also see your name on their list of followers and may choose to make that list visible on their profile. Does Facebook Follow people on its own? You automatically follow people who you’re friends with. You can […]

Record narration and timings Select Slide Show > Record Slide Show. Choose from two options: Record from Current Slide – to record from a specific slide. When you’re ready, select Record and start speaking. To record from a specific slide, go to it, and then select Record. Can I record myself doing a PowerPoint? PowerPoint. […]

Accept or reject all changes On the Review tab, go to Changes. Do one of the following: In the Accept drop-down list, select Accept All Changes. In the Reject drop-down list, select Reject All Changes. How do you accept all changes in Word for Mac? To accept all changes in the document, click the dropdown […]

80. Answer: 15% of 80 is equal to 12. What is 15 as a percentage of 12? 125%15 is 125% of 12. How do you solve 12/15 as a percent? Steps to solve “12 is 15 percent of what number?” We have, 15% × x = 12. or, 15100 × x = 12. Multiplying both […]