Concept explainers
(a)
To find: The null and alternative hypothesis for determining whether the
(b)
To find and explain: The data should be analyzed independently or pair wise.
(c)
To find: The test statistic using the formula for an independent samples test.
(d)
To find: The test statistic using the formula for a paired difference test.
(d)
To compare: The test statistics of part c and d, and check which test statistic provides more evidence in support of alternative hypothesis.
(f)
To interpret: The result of part d using p value with
(g)
To explain: Whether it is needed for validation of part f to be
(h)
To find and interpret: The 99% confidence interval for true mean change in BMI for camp jump Start campers.
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