Daily Stock Prices Two portfolios were randomly assembled from the New York Stock Exchange, and the daily stock prices are shown below. At the 0.10 level of significance, can it be concluded that a difference in variance in price exists between the two portfolios? Portfolio A Portfolio B 35.63 36.11 34.81 12.21 32.95 41.59 59.60 75.16 4.23 75.94 74.65 34.98 25.17 63.04 Send data to Excel Use o, for the standard deviation of portfolio A.

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(i) Determine if the hypothesis test is a one tailed test or two tailed.

(ii) Find the P-value. Round the answer to four decimal places. 

(iii) Make the decision and summarize the results. 

Daily Stock Prices Two portfolios were randomly assembled from the New York Stock Exchange, and the daily stock prices are shown below. At the 0.10 level
of significance, can it be concluded that a difference in variance in price exists between the two portfolios?
Portfolio A
Portfolio B
35.63 36.11 34.81 12.21 32.95 41.59 59.60
75.16 4.23 75.94 74.65 34.98 25.17 63.04
Send data to Excel
Use o. for the standard deviation of portfolio A.
olo
Transcribed Image Text:Daily Stock Prices Two portfolios were randomly assembled from the New York Stock Exchange, and the daily stock prices are shown below. At the 0.10 level of significance, can it be concluded that a difference in variance in price exists between the two portfolios? Portfolio A Portfolio B 35.63 36.11 34.81 12.21 32.95 41.59 59.60 75.16 4.23 75.94 74.65 34.98 25.17 63.04 Send data to Excel Use o. for the standard deviation of portfolio A. olo
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