The federal government would like to determine if the proportion of households without health insurance coverage differs from household income. Suppose the following data were collected from randomly selected households.Using a level of significance of 0.05,determine if the proportion of households without health insurance differs by income bracket.Partial data of the expected values for this test are provided.

Health Insurance

Household Income

Yes

No

Less than $25,000

40

20

$25,000 to $49,999

130

70

$50,000 to 74,999

200

40

$75,000 or more

100

10

Expected values:

Health Insurance

Household Income

Yes

No

Less than $25,000

46.23

13.77

$25,000 to $49,999

154.10

45.90

$50,000 to 74,999

$75,000 or more

I.The type of hypothesis test (lower-tailed, upper-tailed, two-tailed) to conduct for this study is:

II.The number of populations being tested is

III. The value of the test statistics to conduct the test is:

IV The critical value obtained from the table is:

V.The conclusion for this test is (Reject Ho, Fail to Reject Ho):

VI.Can we conclude thattheproportion of households without health insurance differs by income bracket.(Yes,Insufficient evidence)?: