18. You are running a One-way ANOVA test at the 0.05 level of significance to determine if the population means for the three states are the same. What are the Null and Alternate hypotheses? a. Ho: The population means for the three states are the same. H₁: At least one of the three population means for the three states is different. b. Ho: Two out of the three population means for the three states are the same. H₁: The population means for the three states are all different. c. Ho: The population means for the three states are all the different. H₁: The population means for the three states are not all different. d. Ho: The population means for the three states are the same. H₁: The population means for the three states are all different. Ans. 19. What are the degrees of freedom between (numerator) and within (denominator)? a. 3 and 9 chal b. 3 and 10 c. 2 and 9 d. 2 and 10 Ans. 20. Calculate the F ratio. a. 0.51 b. 0.94 C. 2.43 d. 3.76 Ans.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.9: Area Problems
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Using the following data, help me solve questions 18-20. Please and thank you
#6
18. You are running a One-way ANOVA test at the 0.05 level of significance to determine if the
population means for the three states are the same. What are the Null and Alternate
hypotheses?
a. Ho: The population means for the three states are the same.
H₁: At least one of the three population means for the three states is different.
b. Ho: Two out of the three population means for the three states are the same.
H₁: The population means for the three states are all different.
c. Ho: The population means for the three states are all the different.
H₁: The population means for the three states are not all different.
d. Ho: The population means for the three states are the same.
H₁: The population means for the three states are all different.
Ans.
19. What are the degrees of freedom between (numerator) and within (denominator)?
shallia
a. 3 and 9
b. 3 and 10
c.
2 and 9
d. 2 and 10
Ans.
20. Calculate the F ratio.
a. 0.51
b. 0.94
c. 2.43
d. 3.76
Ans.
21. Let's say (instead of your calculations for number 19 and number 20 above) you found:
F = 4.2, df (numerator) = 4, df (denominator) = 8
What would your P-value be?
(If you use the table in the book, choose the value below that fits in the range you find).
a.
0.381
b. 0.040
C. 0.804
d. 0.086
Ans.
22. Let's say you fail to reject the Null hypothesis for this problem. Choose the best conclusion.
a. At a = 0.05, the data indicate the population means for the three states differ.
b. At a = 0.01, the data indicate the population means for the three states differ.
c. At a = 0.05, the data indicate the population means for the three states are the same.
d. At a = 0.01, the data indicate the population means for the three states are the same.
Ans.
TUSE
R
Transcribed Image Text:#6 18. You are running a One-way ANOVA test at the 0.05 level of significance to determine if the population means for the three states are the same. What are the Null and Alternate hypotheses? a. Ho: The population means for the three states are the same. H₁: At least one of the three population means for the three states is different. b. Ho: Two out of the three population means for the three states are the same. H₁: The population means for the three states are all different. c. Ho: The population means for the three states are all the different. H₁: The population means for the three states are not all different. d. Ho: The population means for the three states are the same. H₁: The population means for the three states are all different. Ans. 19. What are the degrees of freedom between (numerator) and within (denominator)? shallia a. 3 and 9 b. 3 and 10 c. 2 and 9 d. 2 and 10 Ans. 20. Calculate the F ratio. a. 0.51 b. 0.94 c. 2.43 d. 3.76 Ans. 21. Let's say (instead of your calculations for number 19 and number 20 above) you found: F = 4.2, df (numerator) = 4, df (denominator) = 8 What would your P-value be? (If you use the table in the book, choose the value below that fits in the range you find). a. 0.381 b. 0.040 C. 0.804 d. 0.086 Ans. 22. Let's say you fail to reject the Null hypothesis for this problem. Choose the best conclusion. a. At a = 0.05, the data indicate the population means for the three states differ. b. At a = 0.01, the data indicate the population means for the three states differ. c. At a = 0.05, the data indicate the population means for the three states are the same. d. At a = 0.01, the data indicate the population means for the three states are the same. Ans. TUSE R
Ans.
Problems 18 – 22
Data for the days of rain in June from past years for three different states are given below.
State 1 x
2
State 2 x
x2
State 3 x
x2
5
4
8
3
5
4
6
5
7
4
Σχι =
N=
5
4
Σχ12 =
ΣΧτοτ =
Σχι =
Ex2 =
Σχι =
ΣΧτοτ 2 =
\x32 =
Transcribed Image Text:Ans. Problems 18 – 22 Data for the days of rain in June from past years for three different states are given below. State 1 x 2 State 2 x x2 State 3 x x2 5 4 8 3 5 4 6 5 7 4 Σχι = N= 5 4 Σχ12 = ΣΧτοτ = Σχι = Ex2 = Σχι = ΣΧτοτ 2 = \x32 =
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