Question

30 persons were asked about the number of hours they watched TV per day. The results were as follows 9.1, 3.2, 1.5, 5.6, 5.2, 0.4, 6.3, 1.6, 3, 3.9, 8.4, 8.8, 2.4, 5.8, 2.5, 5.7, 2.0, 4.1, 8.4, 1.0, 6.6, 2.7, 2.9, 10.0, 11.6, 2.9, 4.2, 0.8, 3.0, 7.8 al Construct a frequency distribution table class width 3 and starting with interval 0-3. b) Find the percentage of people in the survey who spend more than 6 hours but less than or equal to 12 hours per day watching TV.​

Answer 1

Done :)

Explanation:

a) To construct a frequency distribution table with a class width of 3 and starting with the interval 0-3, we can organize the data into the following intervals: 0-3, 3-6, 6-9, 9-12. Then we can count the number of data points that fall into each interval:

Interval Frequency

0-3 10

3-6 11

6-9 7

9-12 2

b) To find the percentage of people in the survey who spend more than 6 hours but less than or equal to 12 hours per day watching TV, we can add the frequencies of the intervals that fall within this range (6-9 and 9-12) and divide by the total number of people surveyed: (7 + 2) / 30 ≈ 0.30. So 30% of people in the survey spend more than 6 hours but less than or equal to 12 hours per day watching TV.