Population Mean Multiple Choice Questions (MCQs) PDF Download - 48

Coefficient of correlation shows relationship between variables, its positive value depicts

1. Negatively correlated
2. Positively correlated
3. High correlation
4. No correlation

The average amount by which all of the scores in a distribution vary around the mean is indicated by

1. Standard deviation
2. Standard error of mean
3. Standard error of slope coefficient
4. Standard variance

Poisson probability distribution defines probability of a number of events occurring in

1. Fixed interval of time
2. Fixed interval of space
3. Both A and B
4. Fixed interval of sample

The assumption of constant variance of error term is also referred to as

1. Assumption of multicollinearity
2. Assumption of homoscedasticity
3. Assumption of heteroscedasticity
4. Assumption of linearization

The value representing a chi-square value is always positive because the terms are in

1. Mean of squares
2. Mean of sum
3. Sum of squares
4. Sum of means