Hideo is calculating the standard deviation of a data set that has 7 values. he determines that the sum of the squared deviations is 103. what is the standard deviation of the data set? round the answer to the nearest tenth. i don't understand the question at

Here are the CORRECT answers to the quiz.

$7 + $0.20p = $5 + $0.30p

Step-by-step explanation:

UPS charges $7 for the first pound and $0.20 for each additional pound.

FedEx charges $5 for the first pound and $0.30 for each additional pound.

Let's take the number of  additional pounds that will make UPS and FedEx cost the same to be p.

$7 + $0.20p = $5 + $0.30p

$7 - $5 = $0.30p - $0.20p

$2 = $0.10p

p = = 20 additional pounds