Overview
Q1; A null hypothesis will be rejected in a goodness-of-fit test with a computed value of chi-square of 12 and a critical value of 10? T or F
Q2; The Chi-Square Tests of independence are always Right-tailed. T or F
Q3; It has been experienced that proportions of defaulters in tax payments belonging to business class and professional class are same, the results of a sample survey are:
| Business Class | Professional class | |
| n1 = 400 | n2 = 420 | |
| Proportion of Defaulters | ̂p1= 0.20 | ̂p2= 0.15 |
What is the value of pooled sample proportion ̅p ?
Q4; Which of the following is the appropriate choice for the right tail hypothesis test when testing the difference between two means?
| H0: μ1 = μ2 ; H1: μ1 < μ2 | ||
| H0: μ1 = μ2 ; H1: μ1 = μ2 | ||
| H0: μ1 = μ2 ; H1: μ1 > μ2 | ||
| H0: μ1 = μ2 ; H1: μ1 not equal μ2 |