| Question 2.5 |
| |
| The frequency distribution below was constructed from data collected from a group of 25 students. |
| Height in Inches | Frequency |
| 58-63 | 3 |
| 54-69 | 5 |
| 70-75 | 2 |
| 76-81 | 6 |
| 82-87 | 4 |
| 88-93 | 3 |
| 94-99 | 2 |
| |
| |
| a. Construct a relative frequency distribution. |
| b. Construct a cumulative frequency distribution. |
| c. Construct a cumulative relative frequency distribution. |
| A sample of twelve families was taken. Each family was asked how many times per week they dine in restaurants. Their responses are given below. |
| |
| 2 | 1 | 0 | 2 | 0 | 2 | 0 | 2 | 1 | 2 |
| |
| Using this data set, compute the: a. mode b. median c. mean d. range e. interquartile range f. variance g. standard deviation h. coefficient of variation |