What type of study would a marketing researcher use to measure product purchases from the same group of consumers over regular intervals? a. A longitudinal study using a discontinuous panel b. A cross-sectional study using a discontinuous panel c. A cross-sectional study using a continuous panel

be mindful of your own reaction,use positive self-talk,   and debrief.

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants

answer; descriptive statistics;

answercombination of ability and experience of the partners;