When performing a Chi-square hypothesis test, what happens when expected frequencies in several cells are too small? Continue reading →
A machine on the average produces 5% defective items. What are the mean and variance in a set of 32 items? Continue reading →
If the regression coefficient of the independent variable in a simple regression equation is negative, then which of the following statement is correct? Continue reading →
Which type of sampling is appropriate when the population consists of well-defined groups such that the elements within each group are homogeneous and between each group they are heterogeneous? Continue reading →
If two dice are thrown, the probability that the sum of their points is greater than 10 is Continue reading →
Changes in the population characteristics such as age, gender, marital status, income and education are the examples of Continue reading →
