A Random Sample of 5 Observations Was Drawn from a Normal

Essay

A random sample of 5 observations was drawn from a normal population.These were: 18,16,10,13,and 23.Test the hypotheses:
H₀: $\sigma ^ { 2 } \leq 20$ H₁: $\sigma ^ { 2 } > 20$ at the 10% significance level.
Test statistic = ____________________
Critical Value = ____________________
Conclusion: ____________________
Interpretation: _________________________________________________