14th Chapter

ICS Part 2 Statistics Chapter 14 Online Test MCQ's

2nd Year Statistics Chapter 14 Online MCQ Test for 12th Class Statistics Chapter 14 (Simple Linear Regression and Correlation)

ICS Part 2 Statistics Online
Chapter 14 Test

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ICS Part 2 Statistics Chapter Wise Online
MCQ's Test

2nd Year Statistics Chapter 14 Online MCQ Test for 12th Class Statistics Chapter 14 (Simple Linear Regression and Correlation)

Sr. # Questions Answers Choice
1 If the value of any regression coefficient is zero, then two variable are _______.
  • A. Qualitative
  • B. Correlation
  • C. Dependent
  • D. Independent
2 When b<sub>xy</sub> is positive, then b<sub>yx</sub> will be _______.
  • A. Negative
  • B. Positive
  • C. Zero
  • D. One
3 The _______ regression line always passes through (X̅,&nbsp;y̅).
  • A. Opposite
  • B. Estimated
  • C. Estimates
  • D. Random
4 The estimates of the parameters=α and=β are
  • A. μ and=σ2
  • B. a and b
  • C. μ andπ
  • D. χ2 and Z
5 A data points falling along a straight line is called______.
  • A. Linear relationship
  • B. Non-linear relationship
  • C. Linear positive
  • D. Scatter diagram
6 The measures of strength of closeness of linear relationship between two variables is called
  • A. simple linear regression
  • B. composite linear regression
  • C. simple linear correlation
  • D. composite linear correlation
7 If X and Y are independent, then Cov(x,y) = 0 which implies that
  • A. b<sub>yx</sub> = 0
  • B. b<sub>xy</sub> = 0
  • C. ρ = 0
  • D. a = 0
8 A relationship where the flow of the data points is best represented by a curve is called_______.
  • A. Linear positive
  • B. Linear negative
  • C. Linear relationship
  • D. Nonlinear relatiobship
9 The value of the coefficient of correlation relies between__________.
  • A. -1 and +1
  • B. 0 and 1
  • C. -1 and 0
  • D. -0.5 and + 0.5
10
  • A. 37
  • B. 132
  • C. 32
  • D. cannot be calculated

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