Question

Are nursing salaries in Tampa, Florida, lower than those in Dallas, Texas? As reported by the Tampa Tribune, salary data show staff nurses in Tampa earn less than staff nurses in Dallas. Suppose that in a follow-up study of staff nurses in Tampa and staff nurses in Dallas you obtain the following results. Enter negative value as negative number.

Tampa		Dallas
n1 = 39		n2 = 49
x1 = 59,100		x2 = 62,100
s1 = 9,900		s2 = 11,600

a. Formulate hypothesis so that, if the null hypothesis is rejected, we can conclude that salaries for staff nurses in Tampa are significantly lower than for those in Dallas. Use .

	H0 : u1-u2 0
	Ha : u1--u2    0

b. What is the value of the test statistic? (to 3 decimals)

c. What is the -value?

Degrees of freedom is: (Round degrees of freedom to previous whole number.)

-value is -

Select your answer -lower than .005between .005 and .01between .01 and .025between .025 and .05between .05 and .10between .10 and .20greater than .20

d. What is your conclusion?

We - Select your answer -can conclude/cannot conclude that the salaries of staff nurses are lower in Tampa than in Dallas.

Answer 1