Question

W A survey was conducted to determine how people rated the quality of programming available on...

W A survey was conducted to determine how people rated the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below.

Stem Leaves
3 24
4 03478999
5 0112345
6 12566
7 01
8
9 2

Hat percentage of the respondents rated overall television quality with a rating of 50 or below?
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Answer #1

Solution:
Total number of respondents = 25
With ratings from stem and leaf display
32, 34, 40, 43, 44, 47, 48, 49, 49, 49, 50, 51, 51, 52, 53, 54, 55, 61, 62, 65, 66, 66, 70, 71, 92
We need to calculate the percentage of the respondents rated overall television quality with a rating of 50 or below which can be calculated as
% of respondents rated overall television quality with a rating of 50 or below = (Number of respondents who give 50 or below/ Total number of respondents = 11/25 = 0.44
So there is 44% of respondents rated overall television quality with a rating of 50 or below.

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