Question

i need help with this really bad i dont understand how to do this its a 4 part question. can someone please help me.
1. The data set shows the January 1 noon temperatures in degrees Fahrenheit for a particular city in each of the past 6 years.
28 34 27 42 52 15

A. what is the five-number summary of the data set?
B. What is the mean, x(theres a line on top of the x) , of the data set?
C.What is the sum of the squares of the differences between each data value and the mean? Use the table to organize your work.
D. what is the standard deviation of teh data set? use the sum f

Answer 1

from part C.