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Business Analytics, Quiz 2
Suppose you conduct a chi-squared test of independence on the categorical variables cities and brand preferences at the significance level 0.05. You obtain a p-value of 0.07. What will you conclude?
Suppose you conduct a chi-squared test of independence on the categorical variables cities and brand preferences at the significance level 0.05. You obtain a p-value of 0.07. What will you conclude? There are 4 business units. Using the DEA, you solve the LP for all the four business units and find the efficiencies for these units. The efficiency is denoted by E. For these units, E1 = 0.83, E2 = 1, E3 \= 0.57, E4 = 0.91. Which of these units are efficient? You construct a linear regression on a price-demand dataset and observe the following trend. Scatter plot of Demand vs Price with a dotted linear trendline After observing the above figure, choose which of the following statements are true?