4. Display Data in Frequency Tables and Histograms
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Start by completing the frequency table, then make the histogram.
Frequency Table:
| Ages | Tally | Frequency |
|---|---|---|
| 6 - 10 | || | 2 |
| 11 - 15 | |||| | 5 |
| 16 - 20 | || | 2 |
| 21 - 25 | || | 2 |
| 26 - 30 | | | 1 |
We want to complete the frequency table and histogram. Let's do these one at a time!
In this case, we are given the intervals from the frequency table.
| Ages | Tally | Frequency |
|---|---|---|
| 6 - 10 | ||
| 11 - 15 | ||
| 16 - 20 | ||
| 21 - 25 | ||
| 26 - 30 |
Now we should count the number of values in each interval. cccccc 6 & 11 & 9 & 13 & 18 & 15 21 & 15 & 17 & 24 & 27 & 12 Looking at the data, we can see that there are 2 values in the first interval, 5 values in the second interval, 2 values in the third interval, 2 values in the fourth interval, and 1 value in the fifth interval. Using this information we can complete our table.
| Ages | Tally | Frequency |
|---|---|---|
| 6 - 10 | || | 2 |
| 11 - 15 | |||| | 5 |
| 16 - 20 | || | 2 |
| 21 - 25 | || | 2 |
| 26 - 30 | | | 1 |
