Ferdous has gathered data on the daily returns on a portfolio of Energy stocks over a recent 26-day period. The mean daily retum has been 0.1%, and the sample variance of daily portfolio returns is 0.25%. The population variance is unknown. Ferdous believes that the mean daily portfolio return is not equal to zero. Compute the test statistic and identify the critical values at a 5% level of significance: CHOOSE THE CLOSEST ANSWER) the test statistic is 0.10 and the critical values are -2,060 and +2.060 the test statistic is 0.10 and the critie

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Ferdous has gathered data on the daily returns on a portfolio of
Energy stocks over a recent 26-day period. The mean daily retum
has been 0.1%, and the sample variance of daily portfolio returns is
0.25%. The population variance is unknown. Ferdous believes that
the mean daily portfolio return is not equal to zero. Compute the
test statistic and identify the critical values at a 5% level of
significance:
(CHOOSE THE CLOSEST ANSWER)
O the test statistic is 0.10 and the critical values are -2.060 and +2.060
O the test statistic is 0.10 and the critical values are -2.575 and +2.575
O the test statistic is 0.31 and the critical values are 1645 and 1.645
O the test statistic is 4.89 and the critical values are 2575 and +2.575
O the test statistic is 4.89 and the critfcal values are 196 and 196
Transcribed Image Text:Ferdous has gathered data on the daily returns on a portfolio of Energy stocks over a recent 26-day period. The mean daily retum has been 0.1%, and the sample variance of daily portfolio returns is 0.25%. The population variance is unknown. Ferdous believes that the mean daily portfolio return is not equal to zero. Compute the test statistic and identify the critical values at a 5% level of significance: (CHOOSE THE CLOSEST ANSWER) O the test statistic is 0.10 and the critical values are -2.060 and +2.060 O the test statistic is 0.10 and the critical values are -2.575 and +2.575 O the test statistic is 0.31 and the critical values are 1645 and 1.645 O the test statistic is 4.89 and the critical values are 2575 and +2.575 O the test statistic is 4.89 and the critfcal values are 196 and 196
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