b)
$50
c)
$150
d)
$100
25. Consider a regression analysis, where the correlation coefficient is 0.18. Then, the coefficient of determination is _______. a)
.0324
b)
.36
c)
1.16
d)
.424
26. In multiple regression analysis, when the independent variables are highly correlated, this situation is called __________________. a)
homoscedasticity
b)
curvilinearity
c)
multicollinearity
d)
autocorrelation
27. Sam's Club installed self-checkout stations that can track not only member's purchases but also packaging problems, as the system uses universal product codes to match the item the shopper has in their cart with its price and inventory level in the store, generating a spreadsheet style report for the researcher. If you consider the scanner as the tool for collecting data for Sam's researchers, they are doing data entry by ____. a)
spreadsheet
b)
Optical Character Recognition