A random sample of 100 students showed that the average height is 168cm with a standard deviation of 15 cm. Test if the population mean is equal to 160 cm. Use alpha =0.05. What type of test is suited for this problem? [Select ] What is the test statistic value? [ Select] Is the null hypothesis rejected? [Select ]

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A: given data, n=31claim:μ=2160X¯=2095s=163.7value of test statistice=?

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Q: The value of the test statistic is

A: Let μ be the population mean systolic blood pressure of adults.  Given that, Population mean (μ)=118…

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Q: Claim: The mean systolic blood pressure of all healthy adults is less than than 125 mm Hg. Sample…

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A: It is given that Sample size n = 15 Sample SD s = 0.32 Population SD = 0.48

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A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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A: Given that  σ=0.37 , s=0.49 , n=19

Q: Claim: The mean systolic blood pressure of all healthy adults is less than than 121 mm Hg. Sample…

A: Answer: - Given, Claim: The mean systolic blood pressure of all healthy adults is less than than 121…

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Q: The value of the test statistic is (Round to two decimal places as needed.)

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A: Given : Population mean (μ) = 2.25 Population SD (σ) = 0.53 Sample size (n) = 16 Sample SD (S) =…