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A researcher wanted to investigate whether there was a difference in satisfaction ratings in an assisted living facility between residents who had a pet with them vs. those who did not have a pet. She administered a scale asking them to rate their overall satisfaction with the facility. Did having a pet have an impact on the residents' overall satisfaction levels? Choose the correct test to analyze this question, set up the SPSS file, and run the analysis. Follow the directions under the table below.
Pet 47423546493940465240
No Pet 302524422825
a) Paste appropriate SPSS output. (2 pts)
b) Paste appropriate SPSS graph. (2 pts)
c) Write a Results section in current APA style describing the outcome. All homework "Results sections" must follow the example given in the Course Content document "Writing Results of Statistical Tests in Current APA Format" (Note: you do not have to refer to a figure). (2 pts)
Farley purchases and pays for merchandise 60% in the month of acquisition and 40% in the following month. Accounts payable is used only for inventory acquisitions. How much cash will Farley receive during November?
Find the 95% confidence interval of the mean score for all golfers if this is a sample of 110 golfers instead of a sample of 93.
In a poll to estimate presidential popularity, each person in a random sample of 1000 voters was asked to agree with one of the following statements:
To explain this, be sure to explain whether the null hypothesis should be rejected, the likelihood of that decision being an error, and why it might have been an error.
A sample of 8 jars has a mean of 15.6 ounces and a standard deviation of 0.3 ounce. Is there enough evidence to support the consumer's conjecture at a = 0.05? First, identify the alternative and the null hypotheses.
A random sample of seven cars was selected; the cars were driven for two weeks without the booster and two weeks with the booster.
What is the characteristic function of N? What is the mean and variance of N? What is the pmf of N? What is the probability that N is an even number?
What is the probability over the course of a twelve hour shift that there will be at least one hour in which follow-up is not timely?
Both parties agree that if the average score in this year's survey is greater than one hundred and eight they will increase the police force. Is this decision rule adequate? What is the Type 1 error of this rule?
What is the margin of error of the large-sample 95% confidence interval for the proportion of all Quebec adults who would allow doctor assisted suicide?
What is the 95% confidence interval for the standard deviation of birth weights at County General Hospital, if the standard deviation of the last 25 babies born there was 1.1 pounds.
Is a sample of 25 papers large enough to provide a good estimate of the mean score of all 42,000 students on this exam problem? Justify your answer.
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