Category: ECO253



1 / 19

he term best fit is interpreted in accordance with the principle of least squares which involves minimising the sum of the squares of the residuals or the ____ of the estimates

2 / 19

_______ variable is also known as the regressor

3 / 19

Spearman's correlation coefficient approximates Pearson's correlation when the sample size is _____________

4 / 19

A British Psychologist _______ developed a formula in 1904 which can be used to obtain the correlation coefficient between the ranks of n individuals in the two variables or attributes being study

5 / 19

in general sense, means the estimation or prediction of the unknown value of one variable from the known value of the other variable

6 / 19

_____________ describes a situation where for a unit change in one variable there is a constant corresponding change in the other variable over the entire range of values.

7 / 19

______________ is a type of regression in which more than two variables are studied

8 / 19

___ is a mathematical measure of the average relationship between two or more variables in terms of the original units of the data

9 / 19

Spearman's correlation coefficient measures correlation when the data is

10 / 19

Karl Pearson was a British Biometrician and statistician suggested a mathematical method for measuring the magnitude of linear relationship between two _____

11 / 19

Prediction or ______________ is one of the major problems in almost all the spheres of human activity

12 / 19

______ Situations may arise when the values of two variables deviate in the same direction

13 / 19

_______________ formula can be used even when dealing with variables which are measured quantitatively

14 / 19

In regression analysis, the dependent variable is also known as ________

15 / 19

Which of the followings is not a type of system?

16 / 19

____________ Correlation is said to be negative or inverse if the variables deviate in the opposite direction

17 / 19

______________ describes situations if corresponding to a unit change one variable; the other variable does not change at a constant rate but at a fluctuating rate

18 / 19

_____________ is the situation when the phenomena under study inter-influence each other. Such instances are usually observed in data relating to economic and business situations.

19 / 19

is the line which gives the best estimate of one variable for any given value of the other variable

Rate this quiz

Hello NOUNITES! Join other NOUNITES on Whatsapp and Telegram below, EXCLUSIVE UPDATES awaits you from various study centres and happenings in NOUN. Stay updated
Don't miss out, JOIN OVER 22,000 other students already following our platforms