Business Statistics And Research Methods - Practice Test

[#456] Two events are said to be independent, as per the theory of probability, if the occurrence of one:

(A) Prevents the occurrence of another

(B) Makes the probability of occurrence of other as zero

(C) Affects the probability of another

(D) Does not effects the probability of occurrence of another

Correct Answer

(D) Does not effects the probability of occurrence of another

[#457] A distribution where the mode has a lower value than the median and the median is less than the mean is known as:

(A) Positively skewed distribution

(B) Normal distribution

(C) Negatively skewed distribution

(D) Continuous distribution

Correct Answer

(A) Positively skewed distribution

[#458] If the population is heterogeneous, which one of the following probability sampling methods is more appropriate?

(A) Sequential sampling

(B) Quota sampling

(C) Double sampling

(D) Stratified sampling

(E) Sequential sampling

(F) Quota sampling

(G) Double sampling

(H) Stratified sampling

Correct Answer

(D) Stratified sampling
(H) Stratified sampling

[#459] The probability of drawing a 'spade' from a well shuffled packet of cards is

(A) $$frac{1}{{52}}$$

(B) $$frac{4}{{52}}$$

(C) $$frac{1}{4}$$

(D) $$frac{2}{3}$$

Correct Answer

(B) $$frac{4}{{52}}$$

[#460] Which of the following averages can not be calculated with the help of graphic presentation?

(A) Arithmetic mean

(B) Quartiles

(C) Median

(D) Mode

Correct Answer

(A) Arithmetic mean

Business Statistics And Research Methods - Study Mode

[#456] Two events are said to be independent, as per the theory of probability, if the occurrence of one:

Correct Answer

[#457] A distribution where the mode has a lower value than the median and the median is less than the mean is known as:

Correct Answer

[#458] If the population is heterogeneous, which one of the following probability sampling methods is more appropriate?

Correct Answer

[#459] The probability of drawing a 'spade' from a well shuffled packet of cards is

Correct Answer

[#460] Which of the following averages can not be calculated with the help of graphic presentation?

Correct Answer