Textbook ExpertVerified Tutor
4 Nov 2021
Given information
Table displays the percent of children under five considered to be underweight.
The table is:
Step-by-step explanation
Step 1.
In statistics, the best estimate of the average is the sample mean because the sample mean is an unbiased estimate for the population mean.
The formula to calculate sample mean for grouped frequency distribution is:
Where, is the frequency and is the interval midpoint.
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