Find the Critical Value or Values Of $\chi ^ { 2 }$

Essay

Find the critical value or values of $\chi ^ { 2 }$ based on the given information.
-Use the P-value method to test the claim that the population standard deviation of the systolic blood pressures
of adults aged 40-50 is equal to 22 mmHg. The sample statistics are as follows: $\mathrm { n } = 23 , \overline { \mathrm { x } } = 132.3 \mathrm { mmHg }$ s = 26.6 mmHg. Be sure to state the hypotheses, the value of this test statistic, the P-value, and your conclusion.
Use a significance level of 0.05.