Please answer questions G H I
(a) What conditions should you check first before you conduct the hypothesis test?
(b) Write the null and alternative hypotheses.
(c) What type of test are you doing: right-tailed, left-tailed or two-tailed?
(d) What formula should be used for the test statistic?
(e) What number is the test statistic equal to?
(f) Sketch a graph of the p-value
(g) What p-value do you obtain? Round to the ten-thousandths.
(h) Do you reject the null hypothesis or fail to reject the null hypothesis? Explain.
(i) Please write a conclusion sentence, in the context of the problem, that explains to a lay person the result of the hypothesis test.
Extracted text: 5. A fitness trainer claims that high intensity power training decreases the body fat percentages of males. The table shows the body fat per- centages of 7 males before and after 10 weeks of high intensity power training. At a claim? 0.05, is there enough evidence to support the trainer's Male 1 3 4 5 6 7 Body fat percentage (before) 23.2 Body fat percentage (after)| 18.2 22.2 19.0 19.6 18.0 17.5 19.6 22.0 19.0 23.0 21.2 21.8 23.4