B.order bias
C.double-barreled
D.loaded
Suppose that you used a 9-point rating scale and that you wanted to compare men who
had an annual income over $50,000 (Group 1) with men who had an annual income less
than or equal to $50,000 (Group 2) on their liking of a new product. If you studied 40
men in Group 1 and they have a mean of 7 and a standard deviation of 2.5, while the 35
men in Group 2 have a mean of 5 and a standard deviation of 1.4, what is the
approximate value of t using the t-test?
A.3.43
B.4.19
C.2.64
D.not enough information to determine
In the statement: “Years of sales experience is an important variable in predicting unit
sales performance,” what type of variable is “years of experience”?
A.dependent variable
B.independent variable
C.categorical variable.