To test H0: s = 1.2 versus H1: s 1.2, a random sample of size n = 22 is obtained from a
Chapter 10, Problem 8(choose chapter or problem)
To test H0: s = 1.2 versus H1: s 1.2, a random sample of size n = 22 is obtained from a population that is known to be normally distributed. (a) If the sample standard deviation is determined to be s = 0.8, compute the test statistic. (b) If the researcher decides to test this hypothesis at the a = 0.10 level of significance, determine the critical values. (c) Draw a chi-square distribution and depict the critical regions. (d) Will the researcher reject the null hypothesis? Why?
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