A sample of 20 families reported how many children they have. Answer the following questions based on the summary table below.
a) What is the range?
b. What is the variance?
c. What is the standard deviation?
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Q41: The variance of a sample is typically
Q42: Answer the next two questions based on
Q43: Trimmed statistics are calculated based on the
Q44: Measures of variability refer to the dispersion
Q45: Of all of the measures of variability,
Q47: Answer the following questions based on this
Q48: The sample variance is a biased statistic.
Q49: Create a box plot for the above
Q50: Answer the following questions based on this
Q51: The population variance is
A) an estimate of
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