Mathematics, 14.04.2020 18:55 jaida03
The table showing the stock price changes for a sample of 12 companies on a day is contained in the Excel file below.
Price Change ($)
0.82
1.44
-0.07
0.41
0.21
1.33
0.97
0.30
0.14
0.12
0.42
0.15
Construct a spreadsheet to answer the following questions.
a. Compute the sample variance for the daily price change (to 4 decimals).
b. Compute the sample standard deviation for the price change (to 4 decimals).
c. Provide 95% confidence interval estimates of the population variance (to 4 decimals).
Answers: 1
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The table showing the stock price changes for a sample of 12 companies on a day is contained in the...
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