Question

The median annual income for families living in the United States is 56200 . Annual incomes in thousands of dollars for a sample of 50 families living in Chicago, Illinois, are shown. Use the sample data to see if it can be concluded that the families living in Chicago have a median annual income greater than 56200 . Use alpha .05 . What is your conclusion?

103.9	37.0	62.1	75.7	91.8
45.8	86.8	64.1	59.7	54.8
62.4	49.5	110.2	43.6	117.5
127.8	105.5	56.2	41.1	60.4
54.3	44.7	55.9	108.9	59.1
57.1	64.7	57.2	101.4	60.2
53.3	70.6	47.0	144.0	45.4
54.0	68.2	56.2	43.1	65.5
121.8	145.9	57.3	73.4	56.2
127.6	43.7	53.9	42.0	68.1

What is the mean and standard deviation of the normal distribution that can be used for this statistical test?

Mean	(to 1 decimal)
Standard deviation	(to 4 decimals)

What is the value of the test statistic (to 2 decimals)?

What is the -value (to 4 decimals)?

We - Select your answer -cancan'tItem 5 conclude that the median annual income for families living in Chicago is greater that  thousand.

Answer 1