Answer :
The answer to the best point estimate for the population's variance when the sample variance is 38.4 is 38.4.
Point estimate: The estimated value of a population parameter is a point estimate.
Sample variance: Sample variance is an estimate of the population variance that is obtained by measuring the squared deviations of the sample values around the sample mean.
Variance: The variance is a measurement of the variability of the data, which is calculated as the mean of the squares of the deviations of each data point from the mean of the data.
Steps to determine the point estimate for the population's variance: The best point estimate for the population's variance is the sample variance.
Given, Sample variance = 38.4.
Hence, the best point estimate for the population's variance is 38.4.
Therefore, the answer is 38.4.
To know more about sample variance:
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