Use software to conduct the analysis of variance test. Use a significance level of 0.05 to test the null hypothesis.
-A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type in the following table.
$\begin{array}{ccc}
\underline{\text { Brand } 1}& \underline{ \text { Brand } 2}& \underline{ \text { Brand } 3}\
260 & 181 & 238 \
218 & 240 & 257 \
184 & 165 & 241 \
219 & 218 & 213
\end{array}$
Do the data indicate that there is a difference in mean lifetime for the three brands of ballpoint pens?
A)Yes
B)No

Question

Use software to conduct the analysis of variance test. Use a significance level of 0.05 to test the null hypothesis.
-A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type in the following table. 
$\begin{array}{ccc}
 \underline{\text { Brand } 1}& \underline{ \text { Brand } 2}& \underline{ \text { Brand } 3}\ 
260 & 181 & 238 \
218 & 240 & 257 \
184 & 165 & 241 \
219 & 218 & 213
\end{array}$
Do the data indicate that there is a difference in mean lifetime for the three brands of ballpoint pens?
A)Yes
B)No

Quizplus · Accepted Answer

The Answer of Use software to conduct the analysis of variance test. Use a significance level of 0.05 to test the null hypothesis.
-A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type in the following table. 
$\begin{array}{ccc}
 \underline{\text { Brand } 1}& \underline{ \text { Brand } 2}& \underline{ \text { Brand } 3}\ 
260 & 181 & 238 \
218 & 240 & 257 \
184 & 165 & 241 \
219 & 218 & 213
\end{array}$
Do the data indicate that there is a difference in mean lifetime for the three brands of ballpoint pens?
A)Yes
B)No

Use Software to Conduct the Analysis of Variance Test Do the Data Indicate That There Is a Difference in a Significance