Question
I have inputed all data into an SPSS system I need help answering 3-5. I have attatched the data graphs from SPSS. Questions research question
I have inputed all data into an SPSS system I need help answering 3-5. I have attatched the data graphs from SPSS.
Questions
research question for the problem described above. Identify and label the independent and dependent variables.
Research Question:
- Does the years of higher experience of an employee indicate a higher annual salary compared to less years of experience.
IV: Experience
DV: Annual Salary
2. Use the data provided to produce data input and output files to answer the research question.
3. Determine and explain the values on your output for (R), (R2), (adjusted R2), and (shrinkage).
4. Should you reject any of your bivariate null hypotheses or your model null hypothesis based upon the significance levels? Write the statements of these null hypotheses and explain the effect size and bivariate correlation between the predictors.
5. Determine and explain whether any of the predictors add significantly to the regression prediction model? Calculate an example regression predicted score.
Regression
Notes | ||
Output Created | 20-APR-2023 12:45:10 | |
Comments | ||
Input | Active Dataset | DataSet1 |
Filter | ||
Weight | ||
Split File | ||
N of Rows in Working Data File | 21 | |
Missing Value Handling | Definition of Missing | User-defined missing values are treated as missing. |
Cases Used | Statistics are based on cases with no missing values for any variable used. | |
Syntax | REGRESSION /DESCRIPTIVES MEAN STDDEV CORR SIG N /MISSING LISTWISE /STATISTICS COEFF OUTS R ANOVA COLLIN TOL /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT AnnualIncome /METHOD=ENTER Experienceyears Hoursweek. | |
Resources | Processor Time | 00:00:00.03 |
Elapsed Time | 00:00:00.00 | |
Memory Required | 2896 bytes | |
Additional Memory Required for Residual Plots | 0 bytes |
Descriptive Statistics | |||
Mean | Std. Deviation | N | |
AnnualIncome | 52900.0000 | 14875.89007 | 20 |
Experienceyears | 9.1500 | 5.40248 | 20 |
Hoursweek | 42.7000 | 2.88554 | 20 |
Correlations | ||||
AnnualIncome | Experienceyears | Hoursweek | ||
Pearson Correlation | AnnualIncome | 1.000 | .969 | .576 |
Experienceyears | .969 | 1.000 | .496 | |
Hoursweek | .576 | .496 | 1.000 | |
Sig. (1-tailed) | AnnualIncome | . | <.001 | .004 |
Experienceyears | .000 | . | .013 | |
Hoursweek | .004 | .013 | . | |
N | AnnualIncome | 20 | 20 | 20 |
Experienceyears | 20 | 20 | 20 | |
Hoursweek | 20 | 20 | 20 |
Variables Entered/Removeda | |||
Model | Variables Entered | Variables Removed | Method |
1 | Hoursweek, Experienceyearsb | . | Enter |
a. Dependent Variable: AnnualIncome | |||
b. All requested variables entered. |
Model Summary | ||||
Model | R | R Square | Adjusted R Square | Std. Error of the Estimate |
1 | .976a | .952 | .946 | 3455.83067 |
a. Predictors: (Constant), Hoursweek, Experienceyears |
ANOVAa | ||||||
Model | Sum of Squares | df | Mean Square | F | Sig. | |
1 | Regression | 4001522984.965 | 2 | 2000761492.482 | 167.529 | <.001b |
Residual | 203027015.035 | 17 | 11942765.590 | |||
Total | 4204550000.000 | 19 | ||||
a. Dependent Variable: AnnualIncome | ||||||
b. Predictors: (Constant), Hoursweek, Experienceyears |
Coefficientsa | ||||||||
Model | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | Collinearity Statistics | |||
B | Std. Error | Beta | Tolerance | VIF | ||||
1 | (Constant) | 2385.808 | 12837.813 | .186 | .855 | |||
Experienceyears | 2497.779 | 169.001 | .907 | 14.780 | <.001 | .754 | 1.326 | |
Hoursweek | 647.764 | 316.415 | .126 | 2.047 | .056 | .754 | 1.326 | |
a. Dependent Variable: AnnualIncome |
Collinearity Diagnosticsa | ||||||
Model | Dimension | Eigenvalue | Condition Index | Variance Proportions | ||
(Constant) | Experienceyears | Hoursweek | ||||
1 | 1 | 2.832 | 1.000 | .00 | .02 | .00 |
2 | .167 | 4.123 | .00 | .77 | .00 | |
3 | .002 | 40.596 | 1.00 | .21 | 1.00 | |
a. Dependent Variable: AnnualIncome |
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