(a)What conditions should you check first before you con- duct 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?
For each hypothesis test you complete, please answer questions (a)
through (i) listed below.
(a)What conditions should you check first before you con-
duct 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.
3. Lowers total blood cholesterol levels. The table shows the
total blood cholesterol levels (in milligrams per deciliter of blood) of
seven patients before eating the cereal and after one year of eating the
cereal as part of their diets. At the five percent level of significance,
is there enough evidence to support the food manufacturer’s claim?
Assume that all variables are
Please answer A B C
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
