A Sample of Size 20 Is Used to Obtain the Following

Essay

A sample of size 20 is used to obtain the following statistics: $\sum x _ { i } = 4363$ and $\Sigma \mathrm { x } _ { i } ^ { 2 } = 953,180$ Can we conclude at the 1% significance level that the population variance is less than 100?
Hypotheses:
Test statistic = ____________________
Critical Value = ____________________
Conclusion: _________________________
Interpretation: __________________________________________________