Income East and West of the Mississippi For a random sample of households in the US, we record annual household income, whether the location is east or west of the Mississippi River, and number of children. We are interested in determining whether there is a difference in average household income between those east of the Mississippi and those west of the Mississippi. (a) Define the relevant parameter(s) and state the null and alternative hypotheses. (b) What statistic(s) from the sample would we use to estimate the difference?
Q 4.26:
Income East and West of the Mississippi For a
random sample of households in the US, we record
annual household income, whether the location is
east or west of the Mississippi River, and number of
children. We are interested in determining whether
there is a difference in average household income
between those east of the Mississippi and those west
of the Mississippi.
(a) Define the relevant parameter(s) and state the
null and alternative hypotheses.
(b) What statistic(s) from the sample would we use
to estimate the difference?
Q 4.27 :
Relationship between Income and Number of
Children Exercise 4.26 discusses a sample of households in the US. We are interested in determining
whether or not there is a linear relationship between
household income and number of children.
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