12th class Statistics chapter 14 online mcq test with answers for ICS part 2 Statistics chapter 14 (Simple Linear Regression and Correlation)

ICS Part 2 Statistics Chapter 14 Online Test

Sr. #	Questions	Answers Choice
1	The value of the coefficient of correlation relies between__________.	-1 and +1 0 and 1 -1 and 0 -0.5 and + 0.5
2	The regression equation always passes throught_________.	(X, Y) (X, y̅) (X̅, Y) (X̅, y̅)
3	When b_xy is positive, then b_yx will be _______.	Negative Positive Zero One
4	The straight line graph of the linear equation Y = a + bX, the slope will be upward it_______.	b = 0 b < 0 b > 0 b ≠ 0
5	In simple linear regression, the number of unknown constants are:	Two Three Four Five
6	If the value of any regression coefficient is zero, then two variable are _______.	Qualitative Correlation Dependent Independent
7	The _______ regression line always passes through (X̅, y̅).	Opposite Estimated Estimates Random
8	The variable, whose resulting value depends upon the selected value of the independent variable is called______.	Regression Regressor Regressand Coefficient
9	A data points falling along a straight line is called______.	Linear relationship Non-linear relationship Linear positive Scatter diagram
10	A relationship where the flow of the data points is best represented by a curve is called_______.	Linear positive Linear negative Linear relationship Nonlinear relatiobship
11	The variable, that forms the basis of estimation, is called_______.	Regression Regressor Regressand Estimated
12	A process by which we estimate the value of dependent variable on the basis of one or more independent variable is called_________.	Residual Correlation Regression Slope
13	The estimated regression line always passes through	origin x-axis y-axis
14		37 132 32 cannot be calculated
15		b<sub>yx</sub> b<sub>xy</sub> S<sub>p</sub>
16		S<sub>xy</sub> S<sub>yx</sub> b<sub>xy</sub> b<sub>yx</sub>
17		y-intercept x-intercept slope none of these

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