Question:

\fWith the datale DF1 .7A (located in a folder under the [ML Quizzes tab) use Excel Data Analysis to compute the descriptive statistics for BBC (column B). Calculate (i) mean - standard deviation (correct to 1 decimal place) (ii) mean + standard deviation (correct to 1 decimal place) (iii) Using the empirical rule how many data points are expected to be within one standard deviation to either side ofthe mean (nearest whole number)? (iv) In the dam le, count how many actual sample data points for 38:; are within the range of one standard deviation to either side of the mean (nearest whole number)