Twenty students were randomly selected from a business statistics course and were asked to report the number of times that they had eaten a meal at the university's cafeteria within the past month. Below are the values reported:
7, 8, 10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12

-Find the coefficient of variation for an IQ test with a mean of 100 and a standard deviation of 15.
A)15.0
B)6.7
C)0.15
D)1.5
E)0.67

Question

Twenty students were randomly selected from a business statistics course and were asked to report the number of times that they had eaten a meal at the university's cafeteria within the past month. Below are the values reported:
7, 8, 10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12

-Find the coefficient of variation for an IQ test with a mean of 100 and a standard deviation of 15.
A)15.0
B)6.7
C)0.15
D)1.5
E)0.67

Quizplus · Accepted Answer

The coefficient of variation (CV) is calculated as the standard deviation divided by the mean, then multiplied by 100 to express it as a percentage. For an IQ test with a mean of 100 and a standard deviation of 15, CV = (15 / 100) * 100 = 15.0%.

Twenty Students Were Randomly Selected from a Business Statistics Course