A large corporation is interested in determining whether a relationship exists between the commuting time of...
A large corporation is interested in determining whether a relationship exists between the commuting time of its employees and the level of stress‐related problems observed on the job. A study of 116 assembly –line workers reveals the following:
a.At the 0.01 level of significance, is there evidence of a significant relationship between commuting time and stress level?
Stress
| Computing Time | High | Moderate | Low | Total |
|---|---|---|---|---|
| Under 15 min. | 9 | 5 | 18 | 32 |
| 15-45 min. | 17 | 8 | 28 | 53 |
| Over 45 min. | 18 | 6 | 7 | 31 |
| Total | 44 | 19 | 53 | 116 |
Homework Answers
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A large corporation is interested in determining whether a
relationship exists between the commuting time of...
A large corporation is interested in determining whether a relationship exists between the commuting time of...
A large corporation is interested in determining whether a relationship exists between the commuting time of its employees and the level of stress-related problems observed on the job A study of 116 assembly line workers reveals the following Stress Level Commuting High Moderate LOW Total Time Under 15 min 15-45 min Over 45 min Total 32 53 31 116 18 17 28 18 19 53 a. At the 0.01 level of significance, is there evidence of a significant relationship between...
Provide an appropriate response. 17) A medical resear cher is interested in determining if thereisa relationship...
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3. A researcher was interested in whether there was a relationship between stress and depression scores...
3. A researcher was interested in whether there was a relationship between stress and depression scores obtained from emergency health care providers. The data from 10 emergency workers are below. This is the same data you calculated a correlation on in Question 1. We are trying to use stress scores (IV or Predictor) to predict depression scores (DV or outcome). Using SPSS, calculate a linear regression model: Ý a + b X where Y is Depression and X, is stress....
1. A researcher was interested in whether there was a relationship between stress and depression scores...
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PREDICTION (REGRESSION) – Chapter 12 3. A researcher was interested in whether there was a relationship...
PREDICTION (REGRESSION) – Chapter 12 3. A researcher was interested in whether there was a relationship between stress and depression scores obtained from emergency health care providers. The data from 10 emergency workers are below. This is the same data you calculated a correlation on in Question 1. We are trying to use stress scores (IV or Predictor) to predict depression scores (DV or outcome). Using SPSS, calculate a linear regression model: Y = a+b1X1 where Y is Depression and...
A sports researcher is interested in determining if there is a relationship between the number of...
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The president of a company was interested in determining whether there is a correlation between sales...
The president of a company was interested in determining whether
there is a correlation between sales made by different sales teams
and hours spent on employee training. These figures are shown.
Sales
(in thousands)
Training
Hours
14
6
33
12
20
11
44
15
8
5
Compute the correlation coefficient for the data.
(Round your answer to 4 decimal places, the tolerance
is +/-0.0001.)
The correlation coefficient is
What is your interpretation of this value? (Do not
round your intermediate...
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pts Compute the linear correlation coefficient between the two variables and determine whether a linear relationship...
pts Compute the linear correlation coefficient between the two variables and determine whether a linear relationship exists. х 1 8 -1 18 5 2 y 13 1 3 10 4 8 11 6 3 0 15 2 Or=-0.995; linear relation exists O r=-0.885; no linear relation exists O r=-0.995; no linear relationship exists O r=-0.885; linear relation exists Question 30 4 pts The table lists the drinking habits of a group of college students. If a student is chosen at...
A large corporation is interested in determining whether a relationship exists between the commuting time of its employees and the level of stress-related problems observed on the job A study of 116 assembly line workers reveals the following Stress Level Commuting High Moderate LOW Total Time Under 15 min 15-45 min Over 45 min Total 32 53 31 116 18 17 28 18 19 53 a. At the 0.01 level of significance, is there evidence of a significant relationship between...
Provide an appropriate response. 17) A medical resear cher is interested in determining if thereisa relationship between adults samp that rogul le of 236 adults ovor 50 is solected and the reaults are given below. Test the d aim lar exercise and low, modorme, and high blood pressure are independent. Use a s 0.01 Blood Pressure μ。w Moderate Reg. Exercise No Reg. Exerdse21 High 25 28 35 Ho- H1- degrees of Freedom Test Statistic = Critical Value Conclusion- or P-value-...
3. A researcher was interested in whether there was a relationship between stress and depression scores obtained from emergency health care providers. The data from 10 emergency workers are below. This is the same data you calculated a correlation on in Question 1. We are trying to use stress scores (IV or Predictor) to predict depression scores (DV or outcome). Using SPSS, calculate a linear regression model: Ý a + b X where Y is Depression and X, is stress....
The president of a company was interested in determining whether
there is a correlation between sales made by different sales teams
and hours spent on employee training. These figures are shown.
Sales
(in thousands)
Training
Hours
14
6
33
12
20
11
44
15
8
5
Compute the correlation coefficient for the data.
(Round your answer to 4 decimal places, the tolerance
is +/-0.0001.)
The correlation coefficient is
What is your interpretation of this value? (Do not
round your intermediate...
pts Compute the linear correlation coefficient between the two variables and determine whether a linear relationship exists. х 1 8 -1 18 5 2 y 13 1 3 10 4 8 11 6 3 0 15 2 Or=-0.995; linear relation exists O r=-0.885; no linear relation exists O r=-0.995; no linear relationship exists O r=-0.885; linear relation exists Question 30 4 pts The table lists the drinking habits of a group of college students. If a student is chosen at...
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