SOLUTION: Answer the following about the data set. (Round to two decimal places where appropriate) Data set I: 3 5 6 7 9 a) The median of Data set I is: b) The interquartile rang

Question 1133329: Answer the following about the data set. (Round to two decimal places where appropriate)
Data set I:
3 5 6 7 9
a) The median of Data set I is:

b) The interquartile range (IQR) of Data set I is from _______ to ______

c) The mean of Data set I is:

d) The standard deviation of Data set I is:

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Numbers are in order
Median is the middle number or 6.
The lower half consists of 3 and 5; the first quartile is the middle of it, or 4.
The third quartile is therefore 89.
Std. deviation requires mean first, which is sum/5 or 6
squared deviations from mean, added, are 4+1+0+1+4 or 10
divide by n-1 or 4 observations, and that is 2.5
Take the square root, which is 1.58
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