Test the claim that the samples come from populations with the same mean. Assume that the populations are normally distributed with the same variance.
-Given the sample data below, test the claim that the populations have the same mean. Use a significance level of 0.05. $$\begin{array} { l }
\text { Brand A }& \text { Brand B } &\text { Brand C } & \text { Brand D } \
{ n = 16 } &{ n = 16 } & { n = 16 } &{ n = 16 } \
\bar { x } = 2.09& \bar { x } = 3.48 & \bar { x } = 1.86 & \bar { x } = 2.84 \
s = 0.37 & \mathrm {~s} = 0.61& \mathrm {~s} = 0.45 & \mathrm {~s} = 0.53 \
\end{array}$$

Question

Test the claim that the samples come from populations with the same mean. Assume that the populations are normally distributed with the same variance.
-Given the sample data below, test the claim that the populations have the same mean. Use a significance level of 0.05. $$\begin{array} { l } 
\text { Brand A }& \text { Brand B } &\text { Brand C }  & \text { Brand D } \
{ n = 16 } &{ n = 16 } & { n = 16 } &{ n = 16 } \
\bar { x } = 2.09& \bar { x } = 3.48 & \bar { x } = 1.86 & \bar { x } = 2.84 \
s = 0.37 & \mathrm {~s} = 0.61& \mathrm {~s} = 0.45 & \mathrm {~s} = 0.53 \
\end{array}$$

Quizplus · Accepted Answer

The Answer of Test the claim that the samples come from populations with the same mean. Assume that the populations are normally distributed with the same variance.
-Given the sample data below, test the claim that the populations have the same mean. Use a significance level of 0.05. $$\begin{array} { l } 
\text { Brand A }& \text { Brand B } &\text { Brand C }  & \text { Brand D } \
{ n = 16 } &{ n = 16 } & { n = 16 } &{ n = 16 } \
\bar { x } = 2.09& \bar { x } = 3.48 & \bar { x } = 1.86 & \bar { x } = 2.84 \
s = 0.37 & \mathrm {~s} = 0.61& \mathrm {~s} = 0.45 & \mathrm {~s} = 0.53 \
\end{array}$$

Test the Claim That the Samples Come from Populations with the Same