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A medical researcher wishes to try three different techniques to lower blood pressure of patients with high blood pressure. The subjects are randomly selected and assigned to one of three groups. Group 1 is given medication, Group 2 is given an exercise program, and Group 3 is assigned a diet program. At the end of six weeks, each subject's blood pressure is recorded. Find the test statistic F to test the claim that there is no difference among the means. State your hypothesis, draw your curves, label your critical values and your test statistic, state your decision to accept or reject and write your conclusion in the language of the problem. Use a=0.05.
Group 1 Group 2 Group 3 11 8 8 12 3 12 9 5 4 15 2 4 13 4 9 8 0 6
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the amount of each active ingredient in 1 pound of each chemical are given in the file P15_74.xlsx. It is necessary that at least 100 pounds of chemical 2 be used. Determine the cheapest way of producing today's batch of NasaMist
Suppose X of the company's absent employees has a Poisson probability ditribution with an average number of 3.4, find Mean.
Develop a stem-and-leaf chart. Summarize the number of times each ATM was used. What was the typical, minimum, and maximum number of times each ATM was used?
Suppose you were trying to decide which of two machines to purchase. Furthermore, suppose the length to which the machines cut a particular product part was important. If both machines produced parts that had the same average length, what other co..
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What is the probability of selecting a sample of n=9 scores with a mean less than M=34? What is the probability of selecting a sample of n=36 scores with a mean less than M=34?
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The manager of a department store wants to determine what proportion of people who enter the store use the store's credit cards for their purchases.
he number of reservations for its January flight to Germany, 305 reservations for tourist class,185 Economy class, and 206 first class. To fill all the seats how many of each kind of plane should the company fly?
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