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Jomo Kenyatta University of Agriculture and Technology *

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HPS 2112

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Statistics

Date

Nov 24, 2024

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docx

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4

Uploaded by erickuria55

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1 Research and Analysis Student’s Name Institutional Affiliation Course Instructor Due Date
2 Research and Analysis M9-1 Dependent Variable Scales Sold Independent Variable Months employed Observations 14+1 =15 Intercept coefficient 113.7453874 Independent variable coefficient 2.367463621 Regression Model Scales sold= 113.74 + 2.37 X months employed R-square 0.790138792 Adjusted R-square 0.773995622 Intercept P-value 0.000108415 Independent variable P-value 9.39543 x 10 6 Your Interpretations and Analyses 1. The figure for P. Value of independent variable is less than 0.05. Therefore, the regression coefficient is deductively significant 2. Considering the F. statistic is considerably large, the model is viewed as having fitted well. 3. A unit change in the “Months employed” will result in a change in “scales sold” by 2.37 M9-2 Dependent Variable Sales Independent Variable 1 Price Independent Variable 2 Advertising expenditure Independent Variable 3 No data provided Observations 24+1 = 25 Intercept coefficient 275.83333 Coefficient of Independent variable 1 175 Coefficient of Independent variable 2 19.68
3 Coefficient of Independent variable 3 No data is provided Regression Model Sales= 275.83 +175 x price + 19.68 x Advertising expenditure R-square 0.978108766 Adjusted R-square 0.974825081 Intercept P-value 0.023898351 P-value of Independent variable 1 0.0008316 P-value of Independent variable 2 1.1263 x 10 11 P-value of Independent variable 3 Data is inexistent Your Interpretations and Analyses 1. The value for p-value of all independent variables is less than 0.05. as such, the regression coefficient is perceivably significant. 2. The f-statistic is sufficiently large. This data suggests that the model if fitted well. M9-3 Dependent Variable Credit card charges Independent Variable 1 Annual income Independent Variable 2 Household size Independent Variable 3 Years of post high-school education Observations 2,999+1 = 3000 Intercept coefficient 2119.600282 Coefficient of Independent variable 1 121.3384676 Coefficient of Independent variable 2 528.0996852 Coefficient of Independent variable 3 535.3593516
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4 Regression Model Credit card charges= 2119.60 + 121.34 x annual income + 528.1 x household size + (-535.36) x years of post high-school education R-square 0.363202867 Adjusted R-square 0.362565219 Intercept P-value 2.27497 x 10 10 P-value of Independent variable 1 5.4905 x 10 262 P-value of Independent variable 2 4.29401 x 10 34 P-value of Independent variable 3 1.15792 x 10 19 Your Interpretations and Analyses 1. The value for p-value of all independent variables is less than 0.05. as such, the regression coefficient is perceivably significant. 2. The f-statistic is sufficiently large. This data suggests that the model if fitted well.