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Suppose the company that has produced "Get Slim X" now produces an even better diet pill. This new and improved version is called "Get Super Slim X." Health researchers say that the mean weight loss after taking this pill for six months should be 7 pounds. A random sample of 49 people, who want desperately to lose weight, takes the pill for the six-month trial period. At the end of the test period, mean weight loss is found to be 8.1 pounds. Assume that the population standard deviation is 2 pounds, based on a volume of evidence from similar diet programs. Set up a non-directional hypothesis test for "Get Super Slim X" with a 1% risk level. Fill in details. Use symbols for H0 and H1.
(a) (1) H0:
(b) (1) H1:
(c) (2) Critical Values: z =
(d) (3) Test Statistic (Show procedure.): z =
(e) (1) Decision on H0:
(f) (2) Conclusion on the problem:
Please summarrize, find the most important formulas, and explain a solve problem for each of this statictics topics: A. Simple regression and correlation B. Multiple regression and correlation
An insurance agent has appointments with four prospective clients tomorrow. From past experience the agent knows that the probability of making a sale on any appointment is 1 out of 5.
Write up your results by using scientifically recognized form.
Determine the probability that a randomly selected sample of 31 patients would produce an average diameter of 6.6 mm or less for the non affected tendon?
System data for a job shop revealed that the average time spent by a job in the shop was approximately n = 5 working days. Construct a statistical test using a level of significance of alpha = 0.05
Biggio's Department Store has six employees available to assign to four departments in the store: home furnishings, china, appliances, and jewelry.
Find out the slope, b, and the intercept, a, for the least-squares line. Write the equation of the least squares line.
To get the best deal for CD player, Jessica called eight appliance stores and asked the cast of a specific model. The prices she quoted are listed below. Show all work. Compute the standard deviation.
Explain the difference between multiple independent variables and multiple levels of independent variables. Which is better?
Which of the following statements is consistent with the scatterplot
Critically discuss the mean number of children per household for these families? Round your answer to at least one decimal place.
An advantage of the permutation test over the t test for a difference in means, can Permutation tests be used for tests when we believe the two populations differ under the null hypothesis.
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