He can only pick 7 different groups because 2 times 7 is 14, and there are 15 people in all.
Hope this helps. c:
Step-by-step explanation:
This is right m does equal 13. D first you multiply everything in the para thesis and so on
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Answer:</h2>
Variance
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Step-by-step explanation:</h2>
The standard deviation is related to the variance. The standard deviation measures the variation or dispersion of a set of data and is represented by the Greek letter sigma
, while the variance measures how far a set of numbers are spread out from their average value. The variance is obtained by squaring the standard deviation, so the variance can be found as 
Answer:
E. None of these
Step-by-step explanation:
1/4 of a pound of butter costs $0.23
4 pound of sugar costs $0.96
6 eggs costs $0.36
Add those together, and you get $1.55
Answer:
Perpendicular
Step-by-step explanation: