1.46/47 Means, Medians, Standard Deviations, and IQRs: Answer the following about each dataset. (Round to two decimal places where appropriate) Dataset I: 3 5 6 7 9 a) The median of Dataset I is: 6 b) The IQR of Dataset I is from 5 to 7 c) The mean of Dataset I is: d) The standard deviation of Dataset I is: