Economics M.C.Q (1 Marks)

The lowest strength of association is reflected by which of the following correlation coefficients?

If all the points lie on the same downward sloping line, the correlation is said to be:

When X increases, Y decreases but their ratio is not constant. What kind of correlation exist between X and Y?

Relation between price and demand is:

When X increases, Y increases and their ratio is 1 : 2 throughout. What kind of correlation exist between X and Y?

Simple correlation is called:

What are the limits of the correlation coefficient?

Correlation coefficient is dependent on the choice of both origin and the scale of observations.

For finding the degree of agreement about beauty between two judges in a beauty contest, we use:

Rank correlation method was developed by:

The correlation between number of shoe a person uses and day temperature is:

When two variables move together in the same direction, it is said to be:

There is high direct association between measures of 'poor diet' and 'occurence of TB'. The correlation coefficient consistent with the above statement is:

If all the plotted points in a scatter diagram lie on a single line, then the correlation is:

Movement of points from left to right, in an upward direction indicates:

Which out of the following is not confined to linear relations?

Scatter diagram helps us to:

The correlation between ages of husbands and wives is expected to be:

When two variables change in the same direction, then such a correlation is called:

If all the plotted points in a scatter diagram lie on a single line, then the correlation is:

The correlation between ages of husbands and wives is:

A scatter diagram:

Coefficient of correlation lies always between:

Which of the following would not allow you to calculate correlation?

Rank correlation is a superior method of analysis in case of __________ distributions such as those relating to virtue, wisdom or ignorance:

Which of the following is an example of spurious correlation?

A modified version of Karl Pearson's formula is:

The unit of correlation co-efficient between height in feet and weight in kgs is:

There is a high degree of negative correlation between ‘overweight’ and ‘life expectancy’. A correlation coefficient consistent with the above statement is:

If the relationship between x and y is positive, as variable y decreases, variable x:

Kari Pearson’s coefficient is defined from:

The range of simple correlation coefficient is:

When coefficient of correlation lies between +0.25 and +0.75, it is called:

Simple correlation is called:

In a 'negative relationship:

The highest strength of association is reflected by which of the following correlation coefficients?

Karl Pearson's coefficient is defined from:

Maximum value of rank correlation coefficient is:

The highest strength of association is reflected by which of the following correlation coefficient?

When r = 1, all the points in a scatter diagram would lie:

Which of the following measures of correlation is a useful technique for visually examining the form of relationship between two variables, without calculating any numeric value?

Maximum value of rank correlation coefficient is:

For finding the degree of agreement about beauty between two judges in a beauty contest, we use: