List of top Psychology Questions on Statistics for Psychology

The significance level, which is the chance of making a Type I error, is called ............

The ........... is directly related to the variance and is figured by taking the square root of the variance.

The formula for changing a raw score to a Z score is:
Where X= Raw Score, M=Mean, SD= Standard Deviation

Which of the following are parametric statistics?
A. Spearman rank order correlation
B. Pearson product moment correlation
C. t-test
D. Mann-Whitney U test
Choose the correct answer from the options given below:

In the normal probability distribution, what percent of scores lies between +1 SD and -1 SD?

Match List I with List II:

LIST I(Measures)		LIST II(Explanation)
A	Mean	I	The value repeated maximum number of times in a given series
B	Median	II	The extent of individual differences around the central tendency
C	Mode	III	Average
D	Variability	IV	The point above and below which lies 50% of the scores

Choose the correct answer from the options given below:

The descriptive statistics based on test scores of representative groups of individuals is called:

Arrange the correct sequence in Simple Random Sampling:
(A) Select n cases randomly (using fishbowl method or random number table)
(B) Determine the size of the present population
(C) Decide on the sample size (n)
(D) Identify sampling units in the population
Choose the correct answer from the options given below:

Match List I with List II:

LIST I(Scale of Measurement)		LIST II(Examples)
A	Nominal	I	Division of people on the basis of their Socio Economic Status
B	Ordinal	II	Diagnostic groups of Mental Disorders
C	Interval	III	Measurement of weight
D	Ratio	IV	Measurement of temperature on a centigrade scale

Choose the correct answer from the options given below:

The assumptions of Parametric Statistics are:
(A) Population should be normally distributed
(B) Variables should be measured in Interval and/or Ratio Scale
(C) There should be many outliers
(D) Data should be based on Probability Sampling
Choose the correct answer from the options given below: