# MCQ for CA Foundation Maths Chapter 17 CORRELATION AND REGRESSION

Sample Multiple Choice Questions (MCQ's) for CA Foundation - Paper 3 - Business Mathematics and Logical Reasoning & Statistics - Chapter 17 CORRELATION AND REGRESSION - For Practice relevant for Dec 22 and May/June 23 Examinations

Q:1 In calculating the Karl Pearson's coefficient of correlation it is necessary that the data should be of numerical measurements. The statement is

1. valid
2. not valid
3. both
4. none

Q:2 Production of pig iron and soot content in Durgapur - Correlations are

1. positive
2. negative
3. zero
4. none

Q:3 The sum of the deviations at the Y's or the X's from their regression lines are zero. This statements is_______

1. true
2. false
3. both
4. none

Q:4 The square of coefficient of correlation ‘r’ is called the coefficient of

1. determination
2. regression
3. both
4. none

Q:5 If the amount of change in one variable tends to bear a constant ratio to the amount of change in the other variable, then correlation is said to be

1. non linear
2. linear
3. both
4. none

Q:6 A small value of r indicates only a __________ linear type of relationship between the variables.

1. good
2. poor
3. maximum
4. highest

Q:7 The angle between the regression lines depends on

1. correlation coefficient
2. regression coefficient
3. both
4. none

Q:8 The partial correlation coefficient lies between

1. -1 and +1 inclusive of these two value
2. 0 and+1
3. -1 and 0
4. none