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 34 staff nurses in Tampa and 44 staff nurses in Dallas you obtain the following results. Enter negative value as negative number. Tampa Dallas

Tampa Dallas

n1=34 n1=44

x1=59,400 x2=62,200

s1=5,900 s2=6,400

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 x=0.05.

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.

p-value is

d. What is your conclusion? We that the salaries of staff nurses are lower in Tampa than in Dallas.

Answer 1