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Problem 1: Streaming Services Survey.
A marketing researcher wants to investigate whether there is any relationship between preferred streaming service and age in order to properly advertise a particular streaming service. A sample of 552 individuals who responded yes to subscribing to a streaming service were asked their most watched service and age. The options listed for streaming subscriptions were: Netflix, Hulu, Amazon Prime Video, Disney Plus, and Other. The individuals were grouped into three age ranges: 18-35, 36-53 and 54-71. The data set found in our StatCrunch Group presents these 552 individuals' responses. The data set is called ""
Go to Stat Tables Contingency With Data (since you have the raw data in StatCrunch). Select "Streaming Subscription" as your row variable and "Age" as your column variable. In the "Display:" box, select only "Percent of Total." Lastly, unclick (or deselect) "Chi-Square test for independence" since it is highlighted by default by holding the Ctrl key and clicking on it. Copy the entire table into your solutions document.
Is the transportation method an example of decision making under certainty or decision making under uncertainty?
Do these data provide sufficient evidence at the 5% level to reject the hypothesis that these population proportions are equal?
According to a recent poll published in USA TODAY, roughly 54% of U.S. men and 33% of U.S. women believe in extraterrestial aliens. Of U.S. adults, roughly 48% are men and 52% are women.
Assuming that his list represents a simple random sample of those persons who could be called, what is the probability that Albert will meet or exceed his quota?
Enter the data shown in the tables above. Create two charts for each urban area that show the immigration distribution. Change the color of a data series in at least one of the charts
a. Specify the null and alternative hypotheses to test the diet center's claim. b. Calculate the value of the test statistic T.
Paired or not? In each of the following scenarios, determine if the data are paired. We would like to know if Intel's stock and Southwest Airlines' stock have similar rates of return. To nd out, we take a random sample of 50 days for Intel's stock ..
A manuscript is sent to a typing firm consisting of typists A, B, and C. If it is typed by A, then the number of errors made is a Poisson random variable with mean 2.6; if typed by B, then the number of errors is a Poisson random variable
In a study of how late people are to work, 73% of the variability of the amount of time late could be accounted for by the time spent in traffic jams.
a delegation of 3 is selected from a city council made up of 4 liberals and 5 conservatives. what is the expected
Compare older ways of explaining the conquest (such as Moctezumas supposed belief that Hernando Cortes was a gold) with scholars more recent explanations. What beliefs about Native Americans does each set of explanations reflect?
Verify that if the raw data for each individual in a sample is 1 when the individual has a certain trait and 0 otherwise, then the sample mean is equivalent.
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