A movie studio did a poll to determine whether women in different age groups watched different amounts of horror movies. Check the computer output to see whether the same-variance condition
For ANOVA holds. Is ANOVA appropriate? $$\begin{array} { | l l l l l | }
\hline \text { One-way ANOVA } & & & & \
\mathrm { F } = 15.44055794 & \mathrm { Cat } & \mathrm { n } & \text { Mean } & \text { StDev } \
\mathrm { p } = 7.5111227 \mathrm { E } - 5 & 17 - 24 & 20 & 9.5 & 7.02 \
\text { Factor } & 25 - 32 & 12 & 14.7 & 5.82 \
\mathrm { df } = 2 & 33 - 40 & 21 & 6.5 & 9.21 \
\mathrm { SS } = 1957.90476 & & & & \
\mathrm { MS } = 978.952381 & & & & \
\text { Error } & & & & \
\mathrm { df } = 21 & & & & \
\mathrm { SS } = 1331.42857 & & & & \
\mathrm { MS } = 63.4013605 & & & & \
\mathrm { Sxp } = 7.96249713 & & & & \
\hline
\end{array}$$
A) Yes
B) No

Question

A movie studio did a poll to determine whether women in different age groups watched different amounts of horror movies. Check the computer output to see whether the same-variance condition
For ANOVA holds. Is ANOVA appropriate? $$\begin{array} { | l l l l l | } 
\hline \text { One-way ANOVA } & & & & \
\mathrm { F } = 15.44055794 & \mathrm { Cat } & \mathrm { n } & \text { Mean } & \text { StDev } \
\mathrm { p } = 7.5111227 \mathrm { E } - 5 & 17 - 24 & 20 & 9.5 & 7.02 \
\text { Factor } & 25 - 32 & 12 & 14.7 & 5.82 \
\mathrm { df } = 2 & 33 - 40 & 21 & 6.5 & 9.21 \
\mathrm { SS } = 1957.90476 & & & & \
\mathrm { MS } = 978.952381 & & & & \
\text { Error } & & & & \
\mathrm { df } = 21 & & & & \
\mathrm { SS } = 1331.42857 & & & & \
\mathrm { MS } = 63.4013605 & & & & \
\mathrm { Sxp } = 7.96249713 & & & & \
\hline
\end{array}$$
A) Yes
B) No

Quizplus · Accepted Answer

The p-value is less than 0.05, so the same-variance condition holds. ANOVA is appropriate.

A Movie Studio Did a Poll to Determine Whether Women