Stats Solutions

[Solution] In a study testing the effects of an herbal supplement on systolic blood pressure in men, 9 randomly selected men are given an herbal supplement

Question: In a study testing the effects of an herbal supplement on systolic blood pressure in men, 9 randomly selected men are given an herbal supplement for 15 weeks. The following measurements are for each subject’s systolic blood pressure taken before and after the 15-week treatment period. At α = .10, can you support the claim that systolic blood pressure was lowered? (4 pts)

Patient 1 2 3 4 5 6 7 8 9
Before 123 109 112 102 98 114 119 112 110
After 124 97 113 105 95 119 114 114 121
  1. Is the claim the null or research hypothesis?
  2. What’s d-bar?
  3. What’s the p-value?
  4. If you decide to reject the null hypothesis, you’ve made
    1. The correct decision
    2. A Type I error
    3. A Type II error

Price: $2.99
Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


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