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 a Determine and interpret the quartiles The first quartile is Q Round to four decimal places as needed The second quartile is Q 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 The first quartile is the lower bound of plausible monthly returns and the third quartile is the upper bound of plausible monthly returns Any monthly returns outside of these bounds are outliers The second quartile represents the most common monthly return OB The first quartile is one standard deviation below the mean or average monthly return the second quartile is the mean and the third quartile is one standard deviation above the mean OC 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 O D All monthly returns within one standard deviation of the mean are contained in the first quartile all monthly returns within two standard deviations of the mean are contained in the second quartile and all monthly 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 complete 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