Business Statistics And Research Methods - Study Mode

[#701] Biased error, a type of sampling error, may arise due to
Correct Answer

(D) All of the above

[#702] Sampling distribution of mean is very close to the standard normal distribution when:
Correct Answer

(C) Both A and B

[#703] If the regression coefficients are -0.8 and -0.2 then the value of correlation coefficient will be:
Correct Answer

(A) -0.4

[#704] Under. . . . . . . ., only the first unit of the sample is selected at random and the remaining units are selected at fixed intervals.
Correct Answer

(C) sequential sampling

[#705] The objects of statistical investigation are decided
Correct Answer

(B) before the compilation of data