SOLUTION: Answer the following about the data set. 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 _

Algebra ->  Probability-and-statistics -> SOLUTION: Answer the following about the data set. 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 _      Log On


   

Question 1133326: Answer the following about the data set.
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) About Me  (Show Source):
You can put this solution on YOUR website!
numbers are ordered
median is 6
Q1 is 4, the median of the lower half
Q3 is 8
IQR is from 4 to 8
sd is sqrt (squared deviations from mean--6--divided by n-1)
That is sqrt(20/4) or sqrt (5) or 2.2