Question

1.

We suspect that people who rely entirely on cell phones will as a group be younger than those who have a landline telephone. Do data confirm this guess? The Pew Research Center interviewed separate random samples of cell-only and landline telephone users and broke down the samples by age group.

	LANDLINE SAMPLE	CELL-ONLY SAMPLE
Live with parents	167	25
Rent	92	73
Own	49	11
Live in a dorm	5	13
Other/refused	17	2
Total	330	124

Carry out a chi-square test for

H0:H0: homogeneity; that is, the distribution of living situation is the same in both populations versus

Ha:Ha: lack of homogeneity; that is, the living situation distribution for the cell-only population differs from that for landline users. Use α=0.01α=0.01.

χ2(±0.0001)=χ2(±0.0001)=

P(±0.0001)=P(±0.0001)=

There is no evidence that the living situation distribution for the cell-only population differs from that for landline users

There is evidence that the living situation distribution for the cell-only population differs from that for landline users.

Answer 1