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Discovering Statistics: Referring to the information from my first question as stated; Nielson Media Research reported that, for the week, ending July 11, 2004, 12 million viewers watched the television show 60 minutes. Suppose that the distribution of viewers of 60 minutes is normal with mean µ = 12 million and the standard deviation σ = 4 million.
a. Find the number of viewers that represents the 75th percentile.
b. On one particular night, 24 million people watched 60 minutes. Is this unusual? On what do you base your answer?
State appropriate null and alternative hypotheses. Report the test statistic, its degrees of freedom, and the P-value. What do you conclude?
Based on your SPSS analysis, report the results using correct APA format. Include results for post hoc tests where appropriate. Your report should include the following:
A company has been using the same advertising strategy for a number of years and over that time has had relatively constant monthly sales.
Modify above problem (Problem 8th) so that each hardware vendor now demands seventy-five (75) units. Any units available from the vendors that are not shipped cost nothing.)
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A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question: At α = . 05, does vehicle type vary by mall location?
Suppose that you are the director of table game operations at a large casino, known especially for its poker room. You are interested in determining the average number of hands the casino should expect per hour during peak hours in the poker room.
You own a small tea company, Sweet Leaf, NASDQ ticker symbol LEAF. You are looking at marketing costs versus benefits. Your production manager says it doesn't matter which tea you produce
Using the above database, compute a t-test comparing males' and females' heights. You must determine which type of t-test to compute. Write a short interpretation of the results.
A research study reports t(14) = 2.17. How many individuals participated in the study? Is this t statistic sufficient to reject the null hypothesis using a two-tailed test with alpha = 0.05?
For which of the following situations is it appropriate to use a scatter diagram or scatter plot?
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