Question 1
The frequency distribution below shows the monthly expenditure on gasoline for a sample of 14 individuals.
Expenditure | Frequency |
55 - 59 | 2 |
60 - 64 | 3 |
65 - 69 | 4 |
70 - 74 | 3 |
75 - 79 | 2 |
a. | Compute the mean. |
b. | Compute the standard deviation. |
Question 2
The grade point average of the students at UTC is 2.80 with a standard deviation of 0.84. The grade point average of students at UTK is 2.4 with a standard deviation of 0.84. Which university shows a more dispersed grade distribution?