Show that the following computing formula for x2 is equivalent to the formula on page 372:
Answer to relevant QuestionsUse the formula of Exercise 13.16 to recalculate x2 for Example 13.10. With reference to Example 13.2, verify that the P-value corresponding to the observed value of the test statistic is 0.0808. Example 13.2 Suppose that 100 high-performance tires made by a certain manufacturer lasted on the ...Five measurements of the tar content of a certain kind of cigarette yielded 14.5, 14.2, 14.4, 14.3, and 14.6 mg/cigarette. Assuming that the data are a random sample from a normal population, use the four steps on page 354 ...Rework Exercise 13.38, basing the decision on the P-value corresponding to the observed value of the test statistic. In exercise Sample surveys conducted in a large county in a certain year and again 20 years later showed ...In a random sample, s = 2.53 minutes for the amount of time that 30 women took to complete the writ-ten test for their driver’s licenses. At the 0.05 level of significance, test the null hypothesis σ = 2.85 minutes ...
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