context: How to calculate standard deviation
Look at your data set.
This is an important step in any type of statistical calculation, even if it is a simple figure like the mean or median.
Know how many numbers are in your sample.
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next sentence for the context: Do the numbers vary across a large range? Or are the differences between the numbers small, such as just a few decimal places? Know what type of data you are looking at. What do your numbers in your sample represent? This could be something like test scores, heart rate readings, height, weight etc.

context: How to cope with having' chemo brain '
Slow down your expectations for yourself.
Keep a planner or daily organizer. In your planner you can write down things you need to do for the day, events, birthdays, and other reminders.
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next sentence for the context: Consider using your cell phone as a planner. If you have a smartphone, you can set audio-visual reminders for tasks that you need to complete.

context: How to have a car boot sale
Make sure you're allowed to have a car boot sale.
For example, in the united kingdom, it's required that you get a license from your local council first. Knowing you have gained the proper permissions for a sale will give you peace of mind and help you avoid a fine, as well as reassure customers you are not a troublemaker.
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next sentence for the context: Go through your possessions and work out what you want to sell. Go through all your rooms, draws and cupboards.

context: How to verify a social security number
Find and use an authorized ssa agent on the internet such as idvalidation http: // www.idvalidation.com/services. Asp? Service=1 to avoid direct ssa enrollment.
You must be an employer with a valid employer identification number (ein). In order to get an ein, you need to contact the irs.
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next sentence for the context:
Or enroll with the ssa by meeting the eligibility criteria for using cbsv. This is federal form ssa-200.