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Question: 1. To use the techniques in this chapter for factorial ANOVA and have confidence about the p values, the data must meet six requirements. List them.
2. Two social psychologists asked freshman and senior college students to write an essay supporting recent police action on campus. (The students were known to be against the police action.) The students were given $20, $10, $5, or $1 for their essay. Later, each student's attitude toward the police was measured on a scale of 1 to 20. Perform an ANOVA, fill out a summary table, and write an interpretation of the analysis at this point. (See Brehm and Cohen, 1962, for a similar study of Yale students.) If appropriate, calculate HSDs for all pairwise comparisons. Write an overall interpretation of the results of the study.
Analyze the data presented in Table 1 below regarding city population size and levels of phosphorous, dissolved oxygen, and nitrogen in groundwater.
chi-square test for independence of attributes.an investment portfolio manager categorized her investors as having
Find a 96% confidence interval for the true percentage of all households that have central air conditioning. Write a sentence that interprets this interval.
in a study it was found that the average age of cable tv shoppers was 48 years. suppose you want to test the null
The length of country and western songs is normally distributed and has a mean of of 170 seconds with a standard deviation of 49 seconds. find the probabality that a random collection of 16 songs will have a mean of 158.30 seconds or less?
Researchers designed a questionnaire to identify compulsive buyers. For a sample of consumers who identified themselves as compulsive buyers, scores have a mean of 0.83 and a standard deviation of 0.24.
q1. listed below is the net sales in million for home depot inc. and its subsidiaries from 1993 to 2004.yearnet
find the z-scores for which 12 of the distributions area lies between -z and zuse a comma to separate answers as
Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 41% of the viewing audience in the area. In a survey of 100 viewers, 36% indicated that they watch the late evening news on this local CBS station. What is t..
The number of cars passing a checkpoint is treated by a consulting firm as having a poisson distribution with a mean of 20 per minute. What does the firm consider the standard deviation in interarrival times to be?
What is random-digit dialing and why is it used?- How does a compiled mailing list differ from a response mailing list?
1 sandra has three suitors and has to decide which to take to the big dance.nbsp their romance geekiness and the chance
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