To check: If animal subjects consume the same amounts of sweet tasting solutions.

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Answer 1

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Chapter 11, Problem 21CAP

(a)

To determine

To check: If animal subjects consume the same amounts of sweet tasting solutions.

(b)

To determine

To run: The Tukey’s HSD post hoc test to see which sweet tasting solution consumed differently from others.

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Answer the given problem. Use the steps in hypothesis testing when presenting the results. A health researcher is interested in comparing 3 methods of weight loss: low calorie diet, low fat diet and high exercise regimen. He selected 15 moderately overweight subjects and randomly assigned 5 to each weight-loss program. The following weight reductions (in lbs) were observed after a one-month period. Test the hypothesis that the extent of weight reduction does not differ by type of weight-loss program. Low Fat : 7 7 5 4 6 Low Calorie : 7 8 8 9 5 High Exercise Regimen : 7 9 7 8 8

A randc v ection of volunteers at a research institute have been exposed to a typical cold virus. After they started to have cold symptoms, 15 of them were given multivitamin tablets daily which contain 3 grams of vitamin C and various other vitamins and minerals. The remaining 15 volunteers were given placebo tablets. For each individual, the length of time taken to recover from cold is recorded. At the end of the experiment following data are obtained: Days to recover from cold Treated with multivitamin 3.0, 3.2, 6.3, 3.8, 5.8, 7.3, 5.3, 5.7, 7.9, 5.7, 6.2, 4.3, 3.8, 6.1, 4.6 Treated with placebo 7.1, 5.9, 5.5, 5.2, 2.4, 3.7, 4.9, 3.5, 4.3, 6.6, 4.5, 3.2, 3.4, 4.1, 2.9 Send data to calculator v It is known that the population standard deviation of recovery time from cold is 1.8 days when treated with multivitamin, and the population standard deviation of recovery time from cold is 1.5 days when treated with placebo tablets. It is also known that both populations are approximately…

A market researcher claims that the purchases for a particular gift item are men, 50 percent; women, 40 percent; and children under 18, 10 percent. The researcher takes a sample in a very large department store and finds in a given week that 43 items were purchased by men, 33 by women, and 4 by children under 18. Does the evidence support the claim of the market researcher? Use alpha = 0.05

Answer 2

Question

Chapter 11, Problem 21CAP

(a)

To determine

To check: If animal subjects consume the same amounts of sweet tasting solutions.

(b)

To determine

To run: The Tukey’s HSD post hoc test to see which sweet tasting solution consumed differently from others.

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Answer 3

Question

Chapter 11, Problem 21CAP

(a)

To determine

To check: If animal subjects consume the same amounts of sweet tasting solutions.

(b)

To determine

To run: The Tukey’s HSD post hoc test to see which sweet tasting solution consumed differently from others.

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Answer 4

Question

Chapter 11, Problem 21CAP

(a)

To determine

To check: If animal subjects consume the same amounts of sweet tasting solutions.

(b)

To determine

To run: The Tukey’s HSD post hoc test to see which sweet tasting solution consumed differently from others.

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Answer 5

Chapter 11, Problem 21CAP

(a)

To determine

To check: If animal subjects consume the same amounts of sweet tasting solutions.

(b)

To determine

To run: The Tukey’s HSD post hoc test to see which sweet tasting solution consumed differently from others.

Answer 6

Chapter 11, Problem 21CAP

(a)

To determine

To check: If animal subjects consume the same amounts of sweet tasting solutions.

Answer 7

Chapter 11, Problem 21CAP

(a)

To determine

To check: If animal subjects consume the same amounts of sweet tasting solutions.

Answer 8

(b)

To determine

To run: The Tukey’s HSD post hoc test to see which sweet tasting solution consumed differently from others.

Answer 9

(b)

To determine

To run: The Tukey’s HSD post hoc test to see which sweet tasting solution consumed differently from others.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 11 - Prob. 1FP Ch. 11 - Prob. 2FP Ch. 11 - Prob. 3FP Ch. 11 - Prob. 4FP Ch. 11 - Prob. 5FP Ch. 11 - Prob. 6FP Ch. 11 - Prob. 7FP Ch. 11 - Prob. 8FP Ch. 11 - Prob. 9FP Ch. 11 - Prob. 10FP

To check: If animal subjects consume the same amounts of sweet tasting solutions.

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To check: If animal subjects consume the same amounts of sweet tasting solutions.

To run: The Tukey’s HSD post hoc test to see which sweet tasting solution consumed differently from others.

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