Top 150+ Solved Psychological Statistics MCQ Questions Answer
Q. Which of the following is true about skewed distribution?
a. it is symmetrical
b. mean, median and mode coincide
c. similar to normal distribution
d. the more mean moves away from mode, larger skewness
Q. Which of the following statements is true about skewed distribution?
a. either positively skewed or negatively skewed.
b. in positively skewed distribution mean is maximum and mode is minimum.
c. in negatively skewed distribution mode is maximum and mean is minimum.
d. all of the above
Q. Which of the following statements is false?
a. in a positively skewed distribution there is excess tail on right hand side
b. in a negatively skewed distribution tail more extended in the left hand side.
c. in a skewed distribution median lies between mean and mode.
d. none of these
Q. Which of the following statements is true about measures of skewness?
a. no limit for value in karl pearson’s method
b. value ranges from -1 to +1 in bowley’s method
c. value of zero indicates the curve is symmetrical
d. all of the above
Q. Which of the following statements is true about platykurtic curve as compared tonormal curve?
a. flatter
b. broader central position
c. lower tails
d. all of the above
Q. A distribution is leptokurtic if the calculated value of kurtosis in terms of percentile is -------
a. equal to 0.263
b. less than 0.263
c. greater than 0.263
d. none of these
Q. A distribution is platykurtic if the calculated value of kurtosis in terms of percentile is -------
a. equal to zero
b. less than 0.263
c. greater than 0.263
d. equal to 0.156
Q. ANOVA test is based on ------
a. variance ratio
b. probability ratio
c. random sample
d. none of these
Q. ANOVA is used when -------
a. there are more than two groups
b. there is only two groups to be compared.
c. significant difference between two means is to be found
d. none of these
Q. In ANOVA, F-value is calculated using which of the following formula?
a. variancebetween groups variancewithin groups
b. variancewithin groups variancebetween groups
c. both (a) and (b)
d. none of these
Q. The assumption basic to Analysis of Variance is
a. population distribution of the dependent variable follow normality
b. subgroups under study have same variability
c. groups drawn on certain criteria, randomly selected from the sub population.
d. all of the above
Q. Total sum of squares 2) Correction 3) Within sum of squares4) Between sum of squares
a. 1, 2, 3, 4
b. 3, 2, 4, 1
c. 4, 3, 2, 1
d. 2, 1, 4, 3
Q. The mean sum of squares (MS) is
a. the sum of squares multiplied by its degrees of freedom
b. the sum of squares divided by its degrees of freedom
c. the sum of squares minus its degrees of freedom
d. the sum of squares plus its degrees of freedom