Consider the following pairs of measurements. 4 8 7 ? 3 a. Construct a scattergr

Question

Consider the following pairs of measurements. 4 8 7 ? 3 a. Construct a scattergram of these data. Choose the correct graph below O A. ??. ??. 10- 10- 4 0 b. What does the scattergram suggest about the relationship between x and y? O A. As x increases, y tends to increase. Thus, there appears to be a negative. linear O B. As x increases, y tends to decrease. Thus, there appears to be a negative linear 10 relationship between x and y relationship between x and y relationship between x and y r1 oc. As x increases, y tends to increase. Thus, there appears to be a positive, inear r c Given that SSxx 454286 SSxy-36 2857 y-31429, and x-11143 calculate the least squares estimates of 0 and ßt Click to select your answer's er er 2 Post-Test

Explanation / Answer

a)

option C) is correct

b)

option C) is correct

c)

b0 = 0.176100629

b1 = 0.7987421

d)

option C) is correct graph {just plot the graph }

option C) is correct

e)

option B) is correct

SUMMARY OUTPUT Regression Statistics Multiple R 0.96915509 R Square 0.939261589 Adjusted R Square 0.927113906 Standard Error 0.612244042 Observations 7 ANOVA df SS MS F Significance F Regression 1 28.98292902 28.98292902 77.32023011 0.000315645 Residual 5 1.874213836 0.374842767 Total 6 30.85714286 Coefficients Standard Error t Stat P-value Lower 95% Intercept 0.176100629 0.40912421 0.430433166 0.68480279 -0.875586634 x 0.798742138 0.090836424 8.793192259 0.000315645 0.565239677

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---