1. The term regression was first used by.......................... a. Karl Pearson
b. Spearman
c. R A Fisher
d. Francis Galton
2. ....................refers to analysis of average relationship between two variables to
provide mechanism for prediction.
a. Correlation
b. Regression
c. Standard error
d. None of these
3. If there are two variables, there can be at most............................... number of
regression lines.
a. One
b. Two
c. Three
d. Infinite
4. If the regression line is Y on X, then the variable X is known as..........................
a. Independent variable
b. Explanatory variable
c. Regressor
d. All the above
5.When the expected frequencies and observed frequencies completely coincide, the
chi-square value will be ..............................
a. + 1
b. – 1
c. 0
d. None of these
6.If the discrepancy between observed and expected frequencies are greater,
......................... will be the chi-square value.
a. Greater
b. Smaller
c. Zero
d. None of these
7.Calculated value of chi-square is always........................
a. Positive
b. Negative
c. Zero
d. None of these
8.While applying chi-square test, the frequency in any cell should not be ......................
a. More than 5
b. Less than 5
c. More than 10
d. Less than 10
9.Analysis of variance utilises..................
a. F test
b. Chi square test
c. Z test
d. t test
10.In one way ANOVA, the variances are:
a. Within samples
b. Between samples
c. Total
d. All
11.The technique of analysis of variance was developed by .............................
a. Frank Wilcoxon
b. Karl Pearson
c. R A Fisher
d. Kolmogrov