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The accompanying data represent the monthly rate of return of a certain company's common stock for the past few years. Complete parts (a) and
The accompanying data represent the monthly rate of return of a certain company's common stock for the past few years. Complete parts (a) and (b) below. Click the icon to view the data table. www (a) Determine and interpret the quartiles. The first quartile is Q = = (Round to four decimal places as needed.) The second quartile is Q2 = (Round to four decimal places as needed.) The third quartile is Q3 = - (Round to four decimal places as needed.) Interpret the quartiles. Choose the correct answer below. OA. Of the monthly returns, 25% are less than or equal to the first quartile, 50% are less than or equal to the second quartile, and 75% are less than or equal to the third quartile. OB. The first quartile is the lower bound of plausible monthly returns, and the third quartile is the upper bound plausible monthly returns. Any monthly returns outside of these bounds are outliers. The second quartile represents the most common monthly return. OC. The first quartile is one standard deviation below the mean (or average monthly return), the second quar is the mean, and the third quartile is one standard deviation above the mean. OD. All monthly returns within one standard deviation of the mean are contained in the first quartile, all mon returns within two standard deviations of the mean are contained in the second quartile, and all monthl returns within three standard deviations of the mean are contained in the third quartile. (b) Check the data set for outliers. Select the correct choice below and, if necessary, fill in the answer box to your choice. OA. The outlier(s) is/are (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.) are no outliers in the data set.
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