A sample of 100 restaurants was selected from a restaurant chain to study the re

Question

A sample of 100 restaurants was selected from a restaurant chain to study the relationship between management operations variables and sales volume. A rating for each unit in the study was assigned to the variables management, live entertainment, service hours, advertising, and cleanliness rating. The following table shows the correlation coefficients between sales volume and each of these variables. Which three variables are the most important in increasing sales volume? which variable would perhaps be the worse predictor of sales volume? Advertising service hours Live entertainment Management Cleanliness

Explanation / Answer

number of restaruants to be selected =100

variables and r with sales volume had given out

three variables are increasing the sales volume are

1. live entertainment with an r value of 0.676

2.management with an r value of 0.461

3.advertising with an r value of 0.448

variable perhapsing the worst predictor of sales volume is

cleanliness -0.015

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