Two portfolios were randomly assembled from the New York Stock Exchange, and the daily stock prices are shown below. At the 0.05 level of significance, can it be concluded that a difference in variance in price exists between the two portfolios?

a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.

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PortfolioA 36.44 44.21 12.21 59.60 55.44 39.42 51.29 48.68 41.59 19.49 Portfolio B 32.69 47.25 49.35 36.17 63.04 17.74 4.23 34.98 37.02 31.48