Top 150+ Solved Psychological Statistics MCQ Questions Answer
Q. Which of the following hypothesis are accepted or rejected?
a. alternate hypothesis
b. statistical hypothesis
c. composite hypothesis
d. null hypothesis
Q. Hypothesis testing deals with ______
a. prediction of population values based on sample values
b. prediction of sample values based on population values
c. both (a) and (b)
d. none of these
Q. Which of the following is type I error?
a. the error of accepting h0 when h0 is true.
b. the error of rejecting h0 when h0 is false
c. the error of rejecting h0 when h0 is true
d. the error of accepting h0 when h0 is false.
Q. Which of the following is type II errors?
a. the error of accepting h0 when h0 is true
b. the error of rejecting h0 when h0 is false
c. the error of accepting h0 when h0 is false
d. the errors of rejecting h0 when h0 is true
Q. The probability of type I error is _____
a. power of the test
b. statistical significance
c. level of significance
d. none of these
Q. Sampling distributions are distributions formed by ________
a. population values
b. sample values
c. parameters
d. none of these
Q. Sampling distribution of mean values is distribution formed by ______
a. population mean values
b. sample correlation values
c. sample mean values
d. population correlation values
Q. Which of the following statements is true about sampling distributions?
a. distributions formed by sample values
b. formed from a population distribution known or assumed.
c. a number of sampling distributions is possible from a population
d. all of the above.
Q. Which of the following is standard error?
a. mean of sampling distribution
b. standard deviation of population distribution
c. mean of population distribution
d. standard deviation of sample distribution.
Q. Which of the following are true about standard error?
a. gives an idea about unreliability of the sample
b. gives an idea about confidence limits of parameter values
c. both (a) and (b)
d. none of these
Q. The term statistical significance refers to ________
a. how important the data are for research on the topic
b. the conclusion that there are no reasonable alternative explanation
c. the representativeness of the sample
d. the inference that the observed effects are unlikely to be due to chance.
Q. If we take level of significance as 0.01 then the confidence limit will be
a. 1%
b. 0%
c. 99%
d. 100%
Q. Critical ratio for large independent sample is given by the formula
a. z = standard deviation mean
b. z = standard error difference between means
c. z = se of the difference difference between means
d. none of these
Q. While dealing with small samples, preference is given to
a. estimating the population value
b. testing a given hypothesis
c. both (a) and (b)
d. none of these