8. Test the claim that the standard deviation of the systolic blood pressure of adults aged 40-50 is equal to 22mmHg. The sample statistics are as follows: n=23, x¯ = 132.3mmHg, and s = 26.7. Use a...

8.  Test the claim that the standard deviation of the systolic blood pressure of adults aged 40-50 is equal to 22mmHg.  The sample statistics are as follows: n=23, x¯ = 132.3mmHg, and s = 26.7.  Use a significance level of 0.05.  Assume the sample was randomly collected from a normally distributed population.  Show work.