Solve the problem.
-Two types of flares are tested for their burning times (in minutes)and sample results are given below. Use a 0.05 significance level to test the claim that the two brands have equal variances. $$\begin{array} { l l l }
\text { Brand X } & & \text { Brand } Y \
\hline n = 35 & & { n } = 40 \
\bar { x } = 19.4 & & \bar { x } = 15.1 \
\mathrm {~s} = 1.4 & & \mathrm {~s} = 0.8
\end{array}$$

Question

Solve the problem.
-Two types of flares are tested for their burning times (in minutes)and sample results are given below. Use a 0.05 significance level to test the claim that the two brands have equal variances. $$\begin{array} { l l l } 
\text { Brand X } & & \text { Brand } Y \
\hline n = 35 & &  { n } = 40 \
\bar { x } = 19.4 & & \bar { x } = 15.1 \
\mathrm {~s} = 1.4 & & \mathrm {~s} = 0.8
\end{array}$$

Quizplus · Accepted Answer

The Answer of Solve the problem.
-Two types of flares are tested for their burning times (in minutes)and sample results are given below. Use a 0.05 significance level to test the claim that the two brands have equal variances. $$\begin{array} { l l l } 
\text { Brand X } & & \text { Brand } Y \
\hline n = 35 & &  { n } = 40 \
\bar { x } = 19.4 & & \bar { x } = 15.1 \
\mathrm {~s} = 1.4 & & \mathrm {~s} = 0.8
\end{array}$$

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