The above two tables are related to the variable WEIGHT. The first is a regressi

Question

The above two tables are related to the variable WEIGHT. The first is a regression table with 5-variables predicting the WEIGHT while the second table contains the Summary statistic related to WEIGHT data. Answer the questions (choose the most appropriate answer):

I) How many people participated in this study? (11.11 points)

a. 246

b. 251

c. 252

d. 5

e. Not possible to determine from these tables

II) One of the variables should be removed from this analysis. Which one? (11.11 points)

a. Variable 1

b. Variable 2

c. Variable 3

d. Variable 4

e. Variable 5

III) Which two numbers are design to describe the center of the variable weight? (numbers are rounded) (11.11 points)

a. 176.5 & 178.9

b. 176.5 & 29.4

c. 178.9 & 8.1

d. 178.9 & 0.92

e. 178.9 & 244.6

SUMMARY OUTPUT WEIGHT 178.9244 18513431 176.5 184.25 Standard Deviatio 29.38916 Sample Variance 863.72272 5.2695136 12052629 244.65 118.5 363.15 45088.95 252 Lower 95% j00er 959e Lower 95.0% Upper 95.0% 263.2526056-228.00975 2.297256194 29989292 0.698733863 02381981 1.316577123 29195035 0.474084827 19941073 1.43546679 24953881 Regression Stotistics Mean Standard Error Median Mode 0.9619331 0.9253153 Multiple R R Square Adjusted R Squa 0.9237973 Standard Error8.1128299 Observations KurtosiS Skewness Range Minimum Maximum ANOVA MS ignificance F 5 200603.17 40120.634 609.56925 2.37E-136 Regression Residual Total 246 16191.23 65.818009 251 216794.4 um Count Coefficients itandard Erro tStot P-value ntercept X Variable 1 X Variable 2 X Variable 3 X Variable 4 X Variable 5 245.631188.9464582 -27.455689 7.273E-77-263.25261 -228.01 2.6480927 0.1781209 14.86683 4.198E-36 2.2972562 2.99893 0.2302679 0.2378418 -0.9681558 0.3339174 -0.6987339 0.2382 2.1180403 0.4069056 5.2052382 4.089E-07 1.3165771 2.9195 1.2340961 0.38586023.198298 0.0015638 0.4740848 1.99411 1.9654275 0.2690628 7.3047161 3.856E-12 1.4354668 2.49539

Explanation / Answer

I) Since degrres of freedom for total=251

Hence total number of people participated=252

II) Variable 2 has to be eliminated from the model since P>0.05

III)center of the variable weight: 176.5 & 178.9

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