State how to increase the power of a test.
Compare and contrast the major types of hypothesis testing for one-sample tests
-The average cost for the sample of 5 sales of a product is

\begin{array}{|l|l|l|}\hline \text { Respondent } & \text { Gender } & \text { Breakfast Preference } \\\hline 1 & \text { Female } & \text { Fruits } \\\hline 2 & \text { Male } & \text { Cereal } \\\hline 3 & \text { Male } & \text { Milk } \\\hline 4 & \text { Female } & \text { Fruits } \\\hline 5 & \text { Female } & \text { Milk } \\\hline 6 & \text { Male } & \text { Cereal } \\\hline 7 & \text { Male } & \text { Milk } \\\hline 8 & \text { Male } & \text { Milk } \\\hline 9 & \text { Female } & \text { Fruits } \\\hline 10 & \text { Male } & \text { Fruits } \\\hline 11 & \text { Male } & \text { Cereal } \\\hline 12 & \text { Female } & \text { Cereal } \\\hline 13 & \text { Female } & \text { Milk } \\\hline 14 & \text { Male } & \text { Fruits } \\\hline 15 & \text { Female } & \text { Fruits } \\\hline\end{array}

= $230 and the sample standard deviation is s = $17.50. The hypothesized mean is ?0 = $250. Compute the value of the test statistic.
A) -2.56
B) -4.00
C) -1.67
D) -3.87

Which of the Following Is True About Chi-Square Distribution

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