Question

Solve for the indicated values. Problem: The IQ scores for a sample of 24 students who are entering their first year of college are: 115      119      119      134 121      128      128      152   97       108       98      130 108      110      111      122 106      142      143      140 141      151      125      126 a. Find the mean IQ score. b. Find the median IQ score. c. Find the modal IQ score. d. Find the range. e. Find the variance f. Find the standard deviation. g. Find the coefficient of variation.​

Answer 1

Answer:

a. The mean is 123.9

]b. The median is 123.5

c. The modes are 119, 128 an 108

d. The range is 55

e. The variance is 246.341

f. The standard deviation is 15.7

g. The coefficient of variation is 12.672