Statistics
1. (2 pts) Do poets die young? Three categories of writers examined were novelists poets, and nonfiction writers. The ages at death for female writers in these categories are listed below. A. Examine the assumptions necessary for ANOVA. Summarize your findings. B. Run the ANOVA and report the results.
Type | Age | Type | Age | Type | Age |
Novels | 57 | Poems | 88 | Nonfiction | 74 |
Novels | 90 | Poems | 69 | Nonfiction | 86 |
Novels | 67 | Poems | 78 | Nonfiction | 87 |
Novels | 56 | Poems | 68 | Nonfiction | 68 |
Novels | 90 | Poems | 72 | Nonfiction | 76 |
Novels | 72 | Poems | 60 | Nonfiction | 73 |
Novels | 56 | Poems | 50 | Nonfiction | 63 |
Novels | 90 | Poems | 47 | Nonfiction | 78 |
Novels | 80 | Poems | 74 | Nonfiction | 83 |
Novels | 74 | Poems | 36 | Nonfiction | 86 |
Novels | 73 | Poems | 87 | Nonfiction | 40 |
Novels | 86 | Poems | 55 | Nonfiction | 75 |
Novels | 53 | Poems | 68 | Nonfiction | 90 |
Novels | 72 | Poems | 75 | Nonfiction | 47 |
Novels | 86 | Poems | 78 | Nonfiction | 91 |
Novels | 82 | Poems | 85 | Nonfiction | 94 |
Novels | 74 | Poems | 69 | Nonfiction | 61 |
Novels | 60 | Poems | 38 | Nonfiction | 83 |
Novels | 79 | Poems | 58 | Nonfiction | 75 |
Novels | 80 | Poems | 51 | Nonfiction | 89 |
Novels | 79 | Poems | 72 | Nonfiction | 77 |
Novels | 77 | Poems | 58 | Nonfiction | 86 |
Novels | 64 | Poems | 84 | Nonfiction | 66 |
Novels | 72 | Poems | 30 | Nonfiction | 97 |
Novels | 88 | Poems | 79 |
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Novels | 75 | Poems | 90 |
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Novels | 79 | Poems | 66 |
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Novels | 74 | Poems | 45 |
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Novels | 85 | Poems | 70 |
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Novels | 71 | Poems | 48 |
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Novels | 78 | Poems | 31 |
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Novels | 57 | Poems | 43 |
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Novels | 54 |
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Novels | 50 |
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Novels | 59 |
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Novels | 72 |
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Novels | 60 |
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Novels | 77 |
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Novels | 50 |
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Novels | 49 |
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Novels | 73 |
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Novels | 39 |
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Novels | 73 |
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Novels | 61 |
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Novels | 90 |
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Novels | 77 |
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Novels | 57 |
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Novels | 72 |
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Novels | 82 |
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Novels | 54 |
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Novels | 62 |
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Novels | 74 |
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Novels | 65 |
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Novels | 83 |
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Novels | 86 |
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Novels | 73 |
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Novels | 79 |
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Novels | 63 |
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Novels | 72 |
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Novels | 85 |
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Novels | 91 |
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Novels | 77 |
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Novels | 66 |
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Novels | 75 |
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Novels | 90 |
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Novels | 35 |
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Novels | 86 |
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2. (3 pts) Exercise and health bones. Many studies have suggested that there is a link between exercise and healthy bones. One study examined the effect of jumping treatments: a control with no jumping, a low-uump condition, and a high jump condition. After 8 weeks of 10 jumps per day, 5 days per week, the bone density of the subjects (expressed in mg/cm3) was measured.
group | density | group | density | group | density |
Control | 611 | Lowjump | 635 | Highjump | 650 |
Control | 621 | Lowjump | 605 | Highjump | 622 |
Control | 614 | Lowjump | 638 | Highjump | 626 |
Control | 593 | Lowjump | 594 | Highjump | 626 |
Control | 593 | Lowjump | 599 | Highjump | 631 |
Control | 653 | Lowjump | 632 | Highjump | 622 |
Control | 600 | Lowjump | 631 | Highjump | 643 |
Control | 554 | Lowjump | 588 | Highjump | 674 |
Control | 603 | Lowjump | 607 | Highjump | 643 |
Control | 569 | Lowjump | 596 | Highjump | 650 |
A. Make a table giving the sample size, mean and standard deviation for each group.
B. Run the appropriate test. State the degrees of freedom and p-value. What do you conclude?
3. (20pts) Real-world examples (2 pages, 12 in font Ariel or Times New Roman, single spaced, 1 inch margins):
A. Think of a research question (i.e. questions 1 & 2 above).
B. Find 2 quantitative, peer-reviewed research articles that address your chosen question.
C. Identify and describe elements of the research process within both of the articles. These elements include:
D. Explain the statistical results in your own words.
E. Provide a summary of the research-based interventions from both of your research studies related to the answer to your identified problem – (your interpretation of the studies).
F. Upload the 2 articles used.
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