Over the course of an evening, a restaurant collects information about how many diners sit at each table. The data is as follows [number of diners(frequency)]: 1(4); 2(46); 3(16); 4(24); 5(6); 8(1). Calculate the mean number of diners per table.
A) 2.7
B) 2.8
C) 2.9
D) 3.0

Question

Quizplus · Accepted Answer

Mean = (1*4 + 2*46 + 3*16 + 4*24 + 5*6 + 8*1) / (4 + 46 + 16 + 24 + 6 + 1) = 145 / 53 = 2.9

Over the Course of an Evening, a Restaurant Collects Information