Five hundred randomly selected automobile owners were questioned on the main reason they had purchased their current automobile; that is, if their automobile preference is related to their gender. The results are given below.

Q: Cola A 59 89 72 HEHEHERRS Cola B 90 71 77 81 86 83 87 Cola A 76 87 60 60 72 Cola B 88 80 69 93

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A: We have to define H0 and H1 for this problem

Q: uppose we are testing Ho: p=.20 vs Ha: p does not equal .20 and TS=2.34. What is the p-value?

A: given data  Ho : p = 0.20 Ha:p≠0.20 test statistic Z = 2.34 p value = ?

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A: From the above given data the following solution is provided below:

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Q: gender is a person's favorite pizza topping dependent on gender of the person who ordered were…

A: [O]            Y1            Y2           Y3           Y4           Y5           TotalX1…

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A: Two possible are given for the testp value=0.200p value=0.07The Smaller p-value indicates the…

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A: Introduction:Assume that the data are at least approximately normal.The null and alternate…

Q: The following data are the monthly salaries and the grade point averages for students who obtained a…

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A: Given that  Hypothesized Population Mean (\mu)(μ) = 7373 Population Standard Deviation…

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A: Solution-: We have following table: Stress Level BMI Total Normal  Not Normal Low 20 31 51…

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Q: A Gallop Poll in 2015 found that 75% of respondents believed in an afterlife, 15% were not sure or…

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A: Given : X = 55 n = 395

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Q: A clinical psychologist is investigating the relationship between sleep and feelings of anxiety. For…

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Q: A sports statistician is interested in determining if there is a relationship between the number of…

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Q: Find the standardized test statistic, z to test the claim that p, = p2. The sample statistics listed…

A: The sample proportions are: The value of the pooled proportion is computed as :

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Q: A recent study investigated whether the number of positive health behaviors (e.g., exercising,…

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Q: Use the following summary to answer the items that follow: The intensive treatment group reported…

A: Given that Z statistic =3.75 Alpha=0.01

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A: The given data is,   Seeing ghost Age Yes No 18-29 212 1313       30 or over 456 3912

Q: p1 p2 vv (Please enter a decimal) The test statistic z vV -1.198 X (please show your answer to 3…

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Q: Suppose ?1 and ?2 are true mean stopping distances at 50 mph for cars of a certain type equipped…

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Q: Q5. To compare the customer satisfaction levels of two competing companies, 174 customers of company…

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Q: For a special pre–New Year’s Eve show, a radio station personality has invited a small panel of…

A: In this scenario, it is appropriate to use paired t test. Null and alternative Hypothesis for the…