Asked by
Kennedi Dellums
on Nov 25, 2024
Verified
The test statistic used to test hypotheses about the population variance 
is 
, which is chi-squared distributed with n -1 degrees of freedom when the population is normally distributed with variance equal to 
.
Population Variance
A measure of the spread of a population’s values, indicating how much the individuals within the population differ from the population mean.
Chi-Squared Distributed
Referring to a statistical distribution that is used to describe the distribution of the sum of squares of a set of variables, often used in hypothesis testing.
- Learn about the features and roles of the chi-squared distribution in statistics.
- Engage in testing hypotheses about population variances and explicate the results.
Verified Answer
AK
Learning Objectives
- Learn about the features and roles of the chi-squared distribution in statistics.
- Engage in testing hypotheses about population variances and explicate the results.