14 of 28 This Test: 28 pts possit s Question: 1 pt ed the oquation of the regres

Question

14 of 28 This Test: 28 pts possit s Question: 1 pt ed the oquation of the regression ine tor the given daua Then constuct a scater sot of the daa and draw the segression live. (The pair of variabies has a sigificant comelaion ) Then use the regession oquation to predct the aueot y for each ol the g'ven xvakes, id meaningd. The table shows the shoe size and heights (n) for 6 men (a) x=sue 90 c)x- size 150 ×:size 115 (d) x size 85 60 100 10.5 12.5 13.5 Find the segression eqation (Round to three decimal piaces as needod) Construct a scatter piot ol the data and draw the negression line Plat shoe size on the horizontal acis and height on the vertical axis. Ohoose the comect graph below OB. O C Clck to select your answerts) acspace

Explanation / Answer

Regression equation

y = 56.551+1.346x

Option B ScatterPlot is Correct

a) y = 56.551+1.346*9

y = 68.6

Option A is Correct

b) y = 56.551+1.346*11.5

y = 72

Option C is Correct

c) Not meaningfull

d) y = 56.551+1.346*8.5

y = 68

Option B is Correct

ANOVA df SS MS F Significance F Regression 1 64.21326435 64.21326 14.85839 0.018230037 Residual 4 17.28673565 4.321684 Total 5 81.5 Coefficients Standard Error t Stat P-value Lower 95% Intercept 56.5508937 3.843354965 14.71394 0.000124 45.88002962 X Variable 1 1.346190028 0.349237198 3.854658 0.01823 0.37655212

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