A Test Is Conducted to Compare Three Different Income Tax

Multiple Choice

A test is conducted to compare three different income tax software packages to determine whether there is any difference in the average time it takes to prepare income tax returns using the three different software packages. Ten different person's income tax returns are done by each of the three software packages and the time is recorded for each. Given this format and testing using an alpha level equal to 0.05, the critical value associated with the primary hypothesis test is:

A) 3.555
B) 2.456
C) 19.385
D) 4.256