descriptive stat

Question 1

mean

Answer 1

average

Question 2

mode

Answer 2

frequent value

Question 3

median

Answer 3

middle most value

Question 4

range

Answer 4

highest-lowest value

Question 5

measures of variability

Answer 5

how spread out the data is

Question 6

variance

Answer 6

average of the squared differences of the mean

a. subtract each value from the mean
b. get the square of the differences
c. get the average of these squares

Question 7

standard deviation

Answer 7

square root of the variance