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The mean monthly rent for a sample of studio apartments in one city is $1260 with a standard deviation of $230. the monthly rents for eight more studio apartments in the city are listed. using the sample statistics above, determine which of the data values are unusual. are any of the data values very unusual? explain. (assume the data set has a bell-shaped distribution.) $1099, $1651, $1743, $1973, $846, $1789, $1398, $685
Identify the significance level, the test statistic, and the critical value, state whether you are rejecting or failing to reject the null hypothesis statement and explain how the results could be used by the manager of the company.
Researchers wanted to determine if there is a difference in the mean credit card debt owed by males versus females. Using α = 0.10, is there a difference. (Show all six steps of hypothesis testing.)
a study of 420039 cell phone users found that 131 of them developed cancer of the brain or nervous system. prior to
a producer can produce a product at a variable cost per unit of 9. the producer can sell the product for 12 each. if
to assess the opinion of students at the ohio state university about campus safety a reporter for the student
a catalog company that receives the majority of its orders by telephone conducted a study to determine how long
Round the intermediate values to 2 decimal places. Round your answer to 2 decimal places, the tolerance is +/-0.05. Type of music preferred is independent or not independent of region of the country?
let x and y be independent geometric distributions. u minxy v x - ya show that u and v are independentb find the
Why do you use the chi-square statistic? Explain. What type of data is used with chi square analysis? Explain. What are the hypotheses in a chi-square test for independence? Explain.
What is the rejection point at α = .10 and indicate if you would accept or reject H o ?
1. in a recent year scores on a standardized test for highschool students with a 3.50 to 4.00 gpa were normally
what graph can i use to display the results of the following scenario preschool students create pictures of their
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