Hide Feedback Incorrect Solution Correct Response eBook Exercise 913

# Hide feedback incorrect solution correct response

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Hide Feedback Incorrect Solution Correct Response eBook {Exercise 9.13 (Algorithmic)} Consider the following hypothesis test: H 0 : μ ≤ 50 H a : μ > 50 A sample of 60 is used and the population standard deviation is 6. Use the critical value approach to state your conclusion for each of the following sample results. Use α = .05. a. With x = 52.5, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50? b. With x = 51, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50? c. With x = 51.8, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50? Icon Key - Select your answ er - - Select your answ er - - Select your answ er - 3.23 Yes 1.29 No 2.32 Yes
{Exercise 3.37 (Algorithmic)} Consider a sample with a mean of 30 and a standard deviation of 6. Use Chebyshev's theorem to determine the percentage of the data within each of the following ranges (to the nearest whole number). a. 20 to 40, at least % b. 5 to 55, at least % 21 to 39, at least % d. 16 to 44, at least % e. 14 to 46, at least % Hide Feedback Incorrect Solution Correct Response eBook Video {Exercise 3.37 (Algorithmic)} Consider a sample with a mean of 30 and a standard deviation of 6. Use Chebyshev's theorem to determine the percentage of the data within each of the following ranges (to the nearest whole number). a. 20 to 40, at least % b. 5 to 55, at least % c. 21 to 39, at least % 64 94 56