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In a survey, 17 people reported the number of hours they spent on the internet last week. Their response are given below. Complete the grouped relative frequency distribution for data. Write each real-time frequency as a decimal to the nearest hundredth( note using class with of 4)

In A Survey 17 People Reported The Number Of Hours They Spent On The Internet Last Week Their Response Are Given Below Complete The Grouped Relative Frequency D class=

Sagot :

Relative Frequency

We are given the data:

16 0 9 7 13 9 8 18 5 17 19 10 15 8 8 3 18

Now we need to count the number of elements that lie on each interval:

0 to 3 2

4 to 7 2

8 to 11 6

12 to 15 2

16 to 19 5

Total: 17

The counts are the absolute frequency. To calculate the relative frequencies, we divide each one by 17:

2/17 = 0.12

6/17 = 0.35

5/17 = 0.29

Thus, the table of relative frequencies is:

0 to 3 0.12

4 to 7 0.12

8 to 11 0.35

12 to 15 0.12

16 to 19 0.28

The sum of the relative frequencies must be approximately 1. In this case, the sum is 0.99 because of rounding errors.

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