A corporate analyst is testing whether mean inventory turnover has increased.Inventory turnover in six randomly chosen product distribution centers (PDCs)is shown. The right-tailed critical value at α = 0.005 is
A)1.645
B)1.479
C)4.032
D)2.015

Question

A corporate analyst is testing whether mean inventory turnover has increased.Inventory turnover in six randomly chosen product distribution centers (PDCs)is shown.  The right-tailed critical value at α = 0.005 is
A)1.645 
B)1.479 
C)4.032 
D)2.015

Quizplus · Accepted Answer

To find the right-tailed critical value, we need to use the t-distribution table with (n-1) degrees of freedom, where n is the sample size (in this case, n=6). At α=0.005 and df=5, the critical value is 4.032. Therefore, option C is the correct answer.

A Corporate Analyst Is Testing Whether Mean Inventory Turnover Has