Use the following information to answer questions 9-15. The length of time spent in the examination...

Use the following information to answer questions 9-15.

The length of time spent in the examination room is recorded for each patient seen by each physician at an orthopedic clinic.

Does the data provide a significance difference in mean times?


*Physician 1*	*Physician 2*	*Physician 3*	*Physician 4*
34	33	17	28
25	35	30	33
27	31	30	31
31	31	26	27
26	42	32	32
34	33	28	33
21		26	40
		29
X_.1=198	X_{. 2}=205	X_.3=218	X_.4=224

With α=.05 the null hypothesis should be:

Rejected

Not Rejected

Impossible to determine

none of the above answers are correct

10 points

QUESTION 15

Find a 95% confidence interval for μ₂-μ₃.

(2.76,11.08)

(1.91,11.93)

(.87,12.97)

(.18,13.66)

Expert Solution

Answer:

orchestra answered 2 years ago

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