Question $5(2\mathrm{.}25$ points$)$

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For Model D$,$ how many of the variables are quantitative?

$\backslash$table$[[$Amazon predicting next quarter's site conversion rates$],[$Model A: Time on Site, New Buyer, Product Price$],[$Model B: Time on Site, New Buyer, Device Type$],[$Model C: Time on Site, Device Type, Product Price$],[$Model D: Country, New Buyer, Product Price$]]$

a$)0$

b$)1$

c$)2$

d$)3$

e$)$ Not enough information is provided

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