The following data are the savings (in thousands of dollars) of six adults: 3, 7, 8, 10,
Question:
a. Find the standard deviation of the savings.
b. Find the IQR of the savings.
c. Suppose that the adult who had $15 thousand in savings wins $700 thousand (after taxes) from the lottery. So, the adult’s new savings is $715 thousand. Find the standard deviation of the six adults after the lottery win.
d. Find the IQR of the savings of the six adults after the lottery win.
e. Describe how much the outlier $715 affected the standard deviation and the IQR.
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