Source Sum of Variation of Squares Regression Error Total Degrees of Freedom Mean Square Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value= p-value
Source Sum of Variation of Squares Regression Error Total Degrees of Freedom Mean Square Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value= p-value
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 60SE: Use this data for the exercises that follow: In 2013, there were roughly 317 million citizens in the...
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Transcribed Image Text:Set up the ANOVA table. (Round your for F to two decimal places and all other values to three decimal places.)
Source
Sum
Degrees
Mean
of Variation of Squares of Freedom Square
Regression
Error
Total
F
Find the value of the test statistic. (Round your answer to two decimal places.)
Find the p-value. (Round your answer to three decimal places.)
p-value =
p-value
What is your conclusion?
O Do not reject Ho. We conclude that the relationship between speed of execution and overall satisfaction is significant.
● Reject Ho. We conclude that the relationship between speed of execution and overall satisfaction is significant.
O Do not reject Ho. We cannot conclude that the relationship between speed of execution and overall satisfaction is significant.
O Reject Ho. We cannot conclude that the relationship between speed of execution and overall satisfaction is significant.
Transcribed Image Text:You may need to use the appropriate technology to answer this question.
The American Association of Individual Investors (AAII) On-Line Discount Broker Survey polls members on their experiences with discount brokers. As part of the survey, members were asked to rate the quality of the speed of execution with their broker as well as provide an overall satisfaction rating for
electronic trades. Possible responses (scores) were no opinion (0), unsatisfied (1), somewhat satisfied (2), satisfied (3), and very satisfied (4). For each broker summary scores were computed by calculating a weighted average of the scores provided by each respondent. Suppose a portion of the survey results
follow.
Brokerage Speed Satisfaction
O
Ho: B₁ * 0
Ha: B₁:
= 0
Ho: B₁ ≥ 0
Ha: B₁ <0
Ho: B₁:
Ha: B₁ * 0
= 0
|Ọ Ho: Bo #0
Ha: Bo
= 0
A
Ho: Po = 0
Ha: Bo # 0
B
с
D
E
F
G
H
I
J
K
3.4
3.3
3.4
3.6
3.2
3.8
3.8
2.6
2.7
4.0
2.5
3.5
3.6
3.9
These ratings data on x = the quality of the speed of execution and y = overall satisfaction with electronic trades provided the estimated regression equation ŷ = 0.154 + 0.923x. At the 0.05 level of significance, test whether speed of execution and overall satisfaction are related. (Use the F test.)
State the null and alternative hypotheses.
3.6
2.9
2.8
3.6
2.5
2.3
4.0
2.5
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