Question
Problems 11-13 will use the KidsFeet data from the mosaicData package. We will look at the variables length, which is the length of the longer
Problems 11-13 will use the KidsFeet data from the mosaicData package. We will look at the variables length,
which is the length of the longer foot (in cm), and width, which is the width of the longer foot (in cm). Let
the explanatory variable be length and response variable be width.
11. What is the correlation coefficient of this data?
a. -0.3050785
b. 0.6410961
c. 0.4110041
d. 0.0030158
e. none of these
12. What is the coefficient of determination for this data?
a. -0.3050785
b. 0.6410961
c. 0.4110041
d. 0.0030158
e. none of these
13. What is the least squares regression equation?
a. y = 18.5930454 + 0.2479478x
b. y = 2.8622761 + 0.2479478x
c. y = -31.9892567 + 1.6576239x
d. y = -31.9892567 + 1.0626962x
e. none of these
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