Assume that you plan to use a significance level of ? = 0.05 to test the claim that p1 = p2, Use the given sample sizes and numbers of successes to find the pooled estimate $\overline { \mathrm { p } }$ . Round your answer to the nearest thousandth.
-$$\begin{array} { l l }
\mathrm { n } _ { 1 } = 100 & \mathrm { n } _ { 2 } = 100 \
\mathrm { x } _ { 1 } = 42 & \mathrm { x } _ { 2 } = 37
\end{array}$$
A) 0.356
B) 0.395
C) 0.277
D) 0.435

Question

Assume that you plan to use a significance level of ? = 0.05 to test the claim that p1 = p2, Use the given sample sizes and numbers of successes to find the pooled estimate $\overline { \mathrm { p } }$ . Round your answer to the nearest thousandth.
-$$\begin{array} { l l } 
\mathrm { n } _ { 1 } = 100 & \mathrm { n } _ { 2 } = 100 \
\mathrm { x } _ { 1 } = 42 & \mathrm { x } _ { 2 } = 37
\end{array}$$
A) 0.356
B) 0.395
C) 0.277
D) 0.435

Quizplus · Accepted Answer

The pooled estimate $\overline{p}$ is calculated as $\overline{p} = \frac{x_1 + x_2}{n_1 + n_2} = \frac{42 + 37}{100 + 100} = \frac{79}{200} = 0.395$.

Assume That You Plan to Use a Significance Level of p‾\overline { \mathrm { p } }p​

Assume That You Plan to Use a Significance Level of $\overline { \mathrm { p } }$