Business Statistics and Research Methods MCQs

Which of the following are true for report writing under statistics?
1. A description explanation or development of the methodology tube used.
2. Analysis should be full scale analysis.
3. In the subsection containing the actual analysis it is important that you describe your analysis sufficiently clearly.

Null hypothesis and alternatives hypothesis is denoted by

Which of the following should be considered in report writing?
1. Structure
2. Content
3. Presentation
4. Use of english
5. Style
6. Detailed preparation
Select the correct answer using the options given below

Which statement is not true?

If x is a random variable and 'a' and 'b' are constants, then Var (ax + b) is

If Σx = 440, Σy = 330, Σx² = 17,986, Σy² = 10,366, Σxy = 13,467 and n = 11, then the value of r, the coefficient of correlation, to 2 decimal places, is

Match the following.

List-I	List-II
a. Level of significance	1. Sample mean is equal to population mean
b. Standard deviation of sampling distribution	2. Parameters
c. Numerical value that describes the characteristics of the population	3. Type I error
d. Normally distributed population	4. Standard error

Sampling method is prove to be a better method over census under which of the following condition?
1. When sample size is infinite.
2. When each unit of population is heterogenous.
3. When approximated results are required.

Statement I: If the alternative hypothesis is as $$\mu \ne {\mu _0}$$  ; a researcher requires two-tailed test in hypothesis-testing.
Statement II: The mean of the sampling distribution of mean is not equal to the parametric value of mean.