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:
b) The IQR of Dataset I is from to
c) The mean of Dataset I is:
d) The standard deviation of Dataset I is:


Dataset II:

3

5

6

7

20

e) The median of Dataset II is:
f) The IQR of Dataset II is from to
g) The mean of Dataset II is:
h) The standard deviation of Dataset II is:
i) Explain the impact (on the median, IQR, mean, and standard deviation) of replacing the maximum value by a much larger value.