Answer:
use pythagoras theorem to solve ur problem.
The answer is No because the sample is not representative of the whole population. The standard deviation of the sample is not a good estimate of the variation of the salaries of the TV personalities in general because a single sample is not counted as a whole. Standard Deviation is a quantity that is calculated to indicate the extent of deviation of the population or group as a whole. Standard deviation also represented by the symbol σ means sigma in Greek letter or s in Latin letter. It is also the measurement of a set of data values that are used to quantify the amount of variation.
Abigail collected more, she collected 87.5 lb
they collected 107.5 pounds together
-12.405=-12 405/1000= 12 81/200
(5,3) is the answer for the current question