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

Question

Quizplus · Accepted Answer

The test statistic is calculated using the formula: $ t = \frac{\bar{x} - \mu_0}{s/\sqrt{n}} $. Here, $\bar{x} = 230$, $\mu_0 = 250$, $s = 17.50$, and $n = 5$. Plugging in these values, $ t = \frac{230 - 250}{17.50/\sqrt{5}} = -2.56 $.

State How to Increase the Power of a Test = $230 and the Sample Standard Deviation Is S =