Show all work and answer in complete sentences Gigi found that elderly people who owned pets...

Show all work and answer in complete sentences

Gigi found that elderly people who owned pets were less likely to pay visits to their doctors after upsetting events than were those who did not own pets. Similarly, consider the following hypothetical data. A sample of elderly pet owners (n = 6) is compared to a similar group (in terms of age and health) who do not own pets (n = 5). The researcher records the number of visits to the doctor during the past year for each person. Does pet ownership significantly increase or decrease doctor’s visits? Answer the following questions. Conduct a two-tailed teest with α = .05. Note: You do not need to do the computation for the t-teest. The t-value that she found after comparing two groups is t = 2.47.

No pets With Pets
10      8
8       5
6       6
9       5
8       6
7

Step1: What is the df of the two groups combined?
Step2: What are the cut off points?
Step3: Write your conclusion thoroughly.

A researcher would like to determine the effect of music on stress levels. A sample of high school seniors took a stress teest first. And then, they listened to classical music for 30 minutes and took the stress teest. Find the following values.

Before music After music
15            15
13           11
18           10
12                   11
16                   14
10             10
20                   12

Step 1: What is the mean of the difference scores?
Step 2: What is the SS for the difference scores?
Step 3: What is the estimated standard error?

Expert Solution

orchestra answered 2 years ago

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