Psychological Statistics Set 1

Bachelor of Science in Counselling Psychology (BSc Counselling Psychology)

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This set of Psychological Statistics Multiple Choice Questions & Answers (MCQs) focuses on Psychological Statistics Set 1

Q1 | Which of the following are function(s) of inferential statistics?
  • estimation
  • testing of hypothesis
  • both (a) and (b)
  • none of these
Answer: both (a) and (b)
Q2 | Which of the following is true about inferential statistics?
  • help in getting an idea about sample value from population value.
  • help in getting an idea about population value from sample value.
  • help in getting data from sample.
  • none of these
Answer: help in getting an idea about population value from sample value.
Q3 | Parameter in inferential statistics refers to _______
  • sample value
  • data
  • population value
  • variable name
Answer: population value
Q4 | A statistic in inferential statistics is related to which of the following?
  • sample
  • population
  • both (a) and (b)
  • none of these
Answer: sample
Q5 | Estimation is the process of ______
  • formulating some hypothesis about the population
  • inferring statistic from parameter
  • testing some hypothesis about the population
  • inferring parameter from statistic
Answer: inferring parameter from statistic
Q6 | Which one of the following statements is true about hypothesis?
  • it is an assumption about population value
  • there are different types of hypothesis
  • hypothesis testing is a function of inferential statistics
  • all of the above
Answer: all of the above
Q7 | Which of the following is a null hypothesis?
  • there is significant relationship between the variable x and y.
  • there is no gender difference in the mean scores of mechanical aptitude.
  • there is significant effect of intelligence on achievement.
  • none of these
Answer: there is no gender difference in the mean scores of mechanical aptitude.
Q8 | The opposite of null hypothesis is known as _______
  • directional hypothesis
  • statistical hypothesis
  • alternate hypothesis
  • composite hypothesis
Answer: alternate hypothesis
Q9 | Which of the following is an alternate hypothesis?
  • there is significant gender difference in the mean scores of mechanical aptitude.
  • there is no significant relationship between achievement and previous knowledge.
  • there is no significant effect of intelligence on creativity.
  • none of these
Answer: there is significant gender difference in the mean scores of mechanical aptitude.
Q10 | Some statement or assertion above a population is known as _____
  • unique statement
  • a standard statement
  • standard hypothesis
  • a statistical hypothesis
Answer: a statistical hypothesis
Q11 | A hypothesis in which there is no indication of direction of change or relation is calleda ________
  • directional hypothesis
  • non directional hypothesis
  • alternate hypothesis
  • none of these
Answer: non directional hypothesis
Q12 | Tests used to test non directional hypothesis are
  • one tailed tests
  • two-tailed tests
  • three tailed tests
  • four tailed tests
Answer: two-tailed tests
Q13 | For testing H0: 1=2 against H0:12 we have the ______
  • one tailed test
  • two-tailed test
  • three tailed test
  • none of these
Answer: two-tailed test
Q14 | The alternate hypothesis for the null hypothesis H0: 1 < 2 is______
  • h1: 1>2
  • h1: 1 = 2
  • h1: 1<2
  • h1: 1> 2
Answer: h1: 1>2
Q15 | For testing which of the following hypothesis two-tailed test is used?
  • h0 : 1< 2 against h1: 1> 2
  • h0: 1> 2 against h1: 1< 2
  • h0: 1= 2 against h1: 1 2
  • none of these
Answer: h0: 1= 2 against h1: 1 2
Q16 | For testing which of the following hypothesis one tailed test is used?
  • non directional hypothesis
  • directional hypothesis
  • alternate hypothesis
  • composite hypothesis
Answer: directional hypothesis
Q17 | For testing which of the following hypothesis one tailed test is used?
  • there is no significant gender difference in the mean scores of anxiety.
  • there is significant relationship between variables x and y.
  • experimental group has a higher mean y score than the control group after the treatment.
  • there is no significant difference in mean y scores of control and experimental groups after the treatment.
Answer: experimental group has a higher mean y score than the control group after the treatment.
Q18 | Statistical tests are designed to test the ______
  • alternate hypothesis
  • statistical hypothesis
  • composite hypothesis
  • null hypothesis
Answer: null hypothesis
Q19 | Which of the following hypothesis are accepted or rejected?
  • alternate hypothesis
  • statistical hypothesis
  • composite hypothesis
  • null hypothesis
Answer: alternate hypothesis
Q20 | Hypothesis testing deals with ______
  • prediction of population values based on sample values
  • prediction of sample values based on population values
  • both (a) and (b)
  • none of these
Answer: prediction of population values based on sample values
Q21 | Which of the following is type I error?
  • the error of accepting h0 when h0 is true.
  • the error of rejecting h0 when h0 is false
  • the error of rejecting h0 when h0 is true
  • the error of accepting h0 when h0 is false.
Answer: the error of rejecting h0 when h0 is true
Q22 | Which of the following is type II errors?
  • the error of accepting h0 when h0 is true
  • the error of rejecting h0 when h0 is false
  • the error of accepting h0 when h0 is false
  • the errors of rejecting h0 when h0 is true
Answer: the error of accepting h0 when h0 is false
Q23 | The probability of type I error is _____
  • power of the test
  • statistical significance
  • level of significance
  • none of these
Answer: level of significance
Q24 | Sampling distributions are distributions formed by ________
  • population values
  • sample values
  • parameters
  • none of these
Answer: sample values
Q25 | Sampling distribution of mean values is distribution formed by ______
  • population mean values
  • sample correlation values
  • sample mean values
  • population correlation values
Answer: sample mean values
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