Question

The number of hours of television watched per day by a sample of 28 people is given below:

4, 1, 5, 5, 2, 5, 4, 4, 2, 3, 6, 8, 3, 5, 2, 0, 3, 5, 9, 4, 5, 2, 1, 3, 4, 7, 2, 9
About 61% of the people watch no more than how many hours of television per day?

Answer 1

61% of the people watch no more than 4 hours of television per day.

Explanation:

• Stack data in each row.
• Sort it from lowest to highest.
• Maximum is the 9 and minimum is 0.
• Grouped Frequency first is to find the classes should be 5-15 classes.
• Width of the class should be max-min/classes result 1.28 need roundup.
• Width of the classes is 2. first to find cumulative frequency.
• Percentage frequency of all the width of the classes.
• Cumulative percentage 4 hours per day comes to 61%.
• The result is 61%.