## Regression Analysis MCQS

**UKPSC Assistant Accountant Exam**

**Total Marks in this Section: 06 Marks**

In this Post You will get **Regression Analysis MCQS**Â for **UKPSC Assistant Accountant Exam**. This **UKPSC Assistant Accountant exam** is conducted every year by Uttarakhand Government.

This Exam is conducted into two medium – Hindi Medium and English Medium.

Hindi Medium exam is known as UKPSC Sahayak Accountant Exam and English Medium Exam is known as **UKPSC Assistant Accountant Exam**.

Question Paper Consists of Two Parts – Section A (Commerce and Management) and Section B – Hindi. Section A Consists of 80 Questions and Section B Consists of 20 Questions.

**Regression Analysis MCQS** is an important chapter of Business Statistics which covers 06 Marks. We are preparing **UKPSC Assistant Accountant Exam Notes. **We keep our posts updated, so visit our website frequently. Thanks.

**1. GM of the two regression coefficients is known as:**

a) Correlation.

b) Regression.

c) Rank correlation.

d) Multiple Correlation.

**Ans: a) Correlation.**

**2. Regression coefficient is independent of:**

a) Units of measurement.

b) Scale and origin.

c) Both a) and b).

d) None of them.

**Ans: c) Both a) and b).**

**3. Number of regression lines are:**

a) 1.

b) 2.

c) 3.

d) 4.

**Ans: b) 2.**

**4. Regression lines will be parallel if r =:**

a) +1.

b) -1.

c) 0.

d) None of the above.

**Ans: c) 0.**

**5. There will be only one regression line for two variables if:**

a) r = +1.

b) r = -1.

c) r = 0.

d) Both a) & b).

**Ans: d) Both a) & b).**

**6. ****Two regression lines intersect each other at:**

a) Mean of X & Y.

b) Median of X & Y.

c) Mode of X & Y.

d) None of the above.

**Ans: a) Mean of X & Y.**

**7. Which of the following statement are correct about regression coefficient?**

a) Both regression coefficients will have the same sign.

b) If one regression co-efficient is above unity, then the other regression co-efficient should be below unity.

c) If both the regression co-efficient are negative, correlation co-efficient should be negative.

d) All of the above.

**Ans: d) All of the above.**

**8. Regression analysis is also known as:**

a) Variance analysis.

b) Multivariate analysis.

c) Quantitative analysis.

d) Qualitative analysis.

**Ans: b) Multivariate analysis.**

**9. If both the regression coefficients are negative, the correlation coefficient would be:**

a) Positive.

b) Negative.

c) Regression coefficients are always positive.

d) Regression coefficients are always negative.

**Ans: b) Negative.**

**10. The regression lines cut each other at the point of **

a) Average of X and Y,

b) Average of X only,

c) Average of Y only,

d) The median of X and Y,

**Ans: a) Average of X and Y.**

**11. The regression line of Y on X **

a) Minimizes total of the square of the horizontal deviation,

b) Total of the squares of the vertical deviations,

c) Both vertical and horizontal deviations,

d) None of them.

**Ans: a) Minimizes total of the square of the horizontal deviation.**

**12. The farther the two regression lines cut each other **

a) Greater will be the degree of correlation,

b) The lesser will be the degree of correlation,

c) Does not matter,

d) None of them.

**Ans: b) The lesser will be the degree of correlation.**

**13. Where r is zero the regression lines cut each other making an angle of **

a) 30^{0}

b) 60^{0}

c) 90^{0} i.e., parallel to OY and OX,

d) None of them.

**Ans: d) None of them.**

**14. The greater the value of r, **

a) The better are estimates, obtain through regression analysis,

b) The worst are the estimates,

c) Really makes no difference,

d) None of them.

**Ans: a) The better are estimates, obtain through regression analysis.**

**15. When one regression coefficient is negative, the other would be **

a) Bivariate,

b) Positive,

c) Zero,

d) None of them.

**Ans: a) Bivariate.**

**16. With b _{xy}= 0.5 and r = 0.80 and variance of y = 16, the standard deviation of X equals to **

a) 2.50.

b) 6.40.

c) 10.00.

d) 25.60.

**Ans: a) 2.5.**