the travel time to work of people from a survey are 9, 13, 16, 18, 21, 27, 30, 33, 38, 44, 49, 52, 55. put…

the travel time to work of people from a survey are 9, 13, 16, 18, 21, 27, 30, 33, 38, 44, 49, 52, 55. put this data into the frequency table below.\ntime (minutes) | frequency\n1 - 10 | 1\n11 - 20 |?\n21 - 30 | 3\n31 - 40 | \n41 - 50 | 2\n51 - 60 |
Answer
Explanation:
Step1: Identify data in 11 - 20 range
The data values 13, 16, 18 are in the 11 - 20 range.
Step2: Count the number of values
There are 3 values in the 11 - 20 range.
Step3: Identify data in 31 - 40 range
The data values 33, 38 are in the 31 - 40 range. So the frequency for 31 - 40 is 2.
Step4: Identify data in 51 - 60 range
The data values 52, 55 are in the 51 - 60 range. So the frequency for 51 - 60 is 2.
Answer:
| Time (Minutes) | Frequency |
|---|---|
| 1 - 10 | 1 |
| 11 - 20 | 3 |
| 21 - 30 | 3 |
| 31 - 40 | 2 |
| 41 - 50 | 2 |
| 51 - 60 | 2 |