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
- valid
- not valid
- both
- none
Answer: 1
Q:2 Production of pig iron and soot content in Durgapur - Correlations are
- positive
- negative
- zero
- none
Answer: 1
Q:3 The sum of the deviations at the Y's or the X's from their regression lines are zero. This statements is_______
- true
- false
- both
- none
Answer: 1
Q:4 The square of coefficient of correlation ‘r’ is called the coefficient of
- determination
- regression
- both
- none
Answer: 1
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
- non linear
- linear
- both
- none
Answer: 2
Q:6 A small value of r indicates only a __________ linear type of relationship between the variables.
- good
- poor
- maximum
- highest
Answer: 2
Q:7 The angle between the regression lines depends on
- correlation coefficient
- regression coefficient
- both
- none
Answer: 1
Q:8 The partial correlation coefficient lies between
- -1 and +1 inclusive of these two value
- 0 and+1
- -1 and 0
- none
Answer: 1
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