Question

Please show 1 and 2. Thank you

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 Mississippl and those west of the Mississippi. la) State the null and alternative hypotheses. Your answer should be an expression composed of symbols: Let group 1 be the households east of the Mississippi River and let group 2 be the households west of the Mississippi River. H,s H. Edit b) What t statistic(s) from the sample would we use to estimate the difference? Let group 1 be the households east of the Mississippi River and let group 2 be the households west of the Mississippi River i -x2

Answer 1

a)

Ho: 1 =2 ; Ha:1 2  

b)

estimated difference : 1 - 2

2)

Ho:p=0.95

Ha: p0.95