What is the average, or mean, for the following sets? Median?
Mode?
Answer
Average
7.43
10.00
13.88
10.40
Median
6
10
14.5
10
Mode
5
12
19
7
Calculate the standard deviation and variance for a, b, c and
d. explain the meaning of your results.
{5,4,12,2,1,6,5,10,20,5,10,6,11,7}
{19,11,13,5,12,1,4,6,18,10,12,9,3,7,20}
{10,16,5,15,19,6,8,20,19,14,12,17,11,13,19,18}
{19,6,9,17,7,10,11,15,2,14,16,7,12,3,8}
Using the information from question 1 and 2 calculate the
z-score for a, b, c and d. explain the meaning of your
results.