Finding class width

Asked by maham237 @ in Mathematics viewed by 148 People

Identify the class width, class midpoints, and class boundaries for the given frequency distribution.Daily Low Tempurature Frequencey Daily Low Tempurature full data set32-24 1 44-46 735-37 3 47-49 738-40 5 50-52 141-43 11

Answered by maham237 @


Answer:

I . class width is 3

ii. Class midpoints are 33,36,39,42,45,48,51.

iii. Class boundaries are: 31.5-34.5, 34.5-37.5, 37.5-40.5, 40.5-43.5, 43.5-46.5, 46.5-49.5, 49.5-52.5

Step-by-step explanation:

I. The class width is the difference between upper class boundary and lower class boundary.

ii. Class midpoints is the summation of upper and lower class limits, divided by 2.

iii. Class boundaries is the subtraction of 0.5 from the lower classe limits and the addition of 0.5 to upper class limits.


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