the ages of people in a library on a given day are: 11, 17, 32, 44, 45, 45, 48, 48, 53, 53, 55, 69. put this…

the ages of people in a library on a given day are: 11, 17, 32, 44, 45, 45, 48, 48, 53, 53, 55, 69. put this data into the frequency table below.\nages | frequency\n11 - 20 | 2\n21 - 30 | ?\n31 - 40 | 1\n41 - 50 | \n51 - 60 | 3\n61 - 70 |
Answer
Answer:
| Ages | Frequency |
|---|---|
| 11 - 20 | 2 |
| 21 - 30 | 0 |
| 31 - 40 | 1 |
| 41 - 50 | 5 |
| 51 - 60 | 3 |
| 61 - 70 | 1 |
Explanation:
Step1: Count for 21 - 30
No values in this range, so frequency is 0.
Step2: Count for 41 - 50
Values 44, 45, 45, 48, 48 are in this range, so frequency is 5.
Step3: Count for 61 - 70
Value 69 is in this range, so frequency is 1.