Question

confused with these questions

3.24. The following data represents the number of days in the hospital for 30 pneumonia patients.

4            4            5            5            5            4            6            5            5            5

2            3            5            3            6            2            4            5            5            7

5            4            3            3            4            5            5            4            4            4

calculate the mean, median, mode, range, variance, standard deviation, Q₁,Q_3, P_60, P₂₀

3.28. Apply the empirical rule to describe the values representing 68 percent, 95 percent, and 99 percent of the data around the mean for a new mid-size automobile with an average of $20,320 and a standard deviation of 1.5.

3.30. The average amount of time a preschool child spends in daycare each week is 7.2 hours with a standard deviation of 1.9 hours. Apply the empirical rule to describe the values for 95 percent of the preschool children’s time spent in daycare each week.

Answer 1