Question

SSTR=6750

SSE= 6000

Nt =20

Ho: u1=u2=u3=u4

Ha: at least one mean is different

At Alpha=.05 the null hypothesis:

A should be rejected

B should not be rejected

C was designed incorrectly

D none of the above

Answer #1

SSTR = 6,750
H0:
μ1=μ2=μ3=μ4
SSE = 8,000
Ha: at least one mean is different
nT = 20
Refer to Exhibit 10-11. The null hypothesis
Question 15 options:
should be rejected
should not be rejected
was designed incorrectly
None of these alternatives is correct.

SSTR = 6,750
SSE = 8,000
nT = 20
H0: μ1 = μ2 = μ3 =
μ4
Ha: Not all population means are equal
a. The mean square between treatments (MSTR) equals
b. The mean square within treatments (MSE) equals
c. The test statistic to test the null hypothesis equals
d. The critical F value at alpha = 0.05 is
e. The null hypothesis is

Do all the following problems.
I. Choose the best answer for each
multiple choice. Please use CAPITAL letters to indicate your answer
and write neatly. (30 points)
1. ____ 4.____ 7. ____ 10.____ 13.
____
2. ____ 5.____ 8. ____ 11.____ 14.
____
3. ____ 6.____ 9. ____ 12.____ 15.
____
Whenever the population standard deviation is unknown and the
population has a normal or near-normal distribution, which
distribution is used in developing an interval estimation?
A. standard distribution
B....

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