Inferential Statistics Research MCQ

Inferential Statistics Research MCQ

1. The largest number of a confidence interval is called

Answer

Correct Answer: Upper limit

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2. Failing to reject a false null hypothesis is called

Answer

Correct Answer: Type II error

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3. Rejecting a true null hypothesis is called

Answer

Correct Answer: Type I error

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4. A statistical test used to determine whether a regression coefficient is statistically significant t test for regression coefficients

Answer

Correct Answer: True

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5. T test for independent samples is statistical test used to determine whether the difference between the means of two groups is statistically significant

Answer

Correct Answer: True

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6. A statistical test used to determine whether a correlation coefficient is statistically significant is t test for correlation coefficients

Answer

Correct Answer: True

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7. The claim made in significance testing when the evidence suggests that the observed result was probably not due to chance; we believe it is a real relationship

Answer

Correct Answer: True

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8. A numerical characteristic of a sample is known as _____

Answer

Correct Answer: Statistics

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9. The standard deviation of a sampling distribution is _____ error

Answer

Correct Answer: Standard

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10. A commonly used synonym for hypothesis testing is _____ testing

Answer

Correct Answer: Significance

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11. The cutoff the researcher uses to decide when to reject the null hypothesis (also called alpha level); the researcher hopes the p value will be less than the significance level is alpha level

Answer

Correct Answer: True

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12. The difference between the value of a sample statistic and the corresponding population parameter is called

Answer

Correct Answer: Sampling error

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13. The theoretical probability distribution of the means of all possible random samples of a particular size drawn from a population is sampling distribution of the mean

Answer

Correct Answer: True

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14. The theoretical probability distribution of the values of a statistic that results when all possible random samples of a particular size are drawn from a population is called

Answer

Correct Answer: Sampling distribution

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15. A set of elements or cases taken from a larger population is called

Answer

Correct Answer: Sample

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16. Repeated sampling is Drawing many or all possible samples from a population

Answer

Correct Answer: True

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17. The probability of the observed result of your research study or a more extreme result, if the null hypothesis were true (also called p value) is called p value

Answer

Correct Answer: True

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18. A conclusion made when a relationship is strong enough to be of practical importance is called non -practical significance

Answer

Correct Answer: False

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19. The likelihood of rejecting the _____ when it is false is called power

Answer

Correct Answer: Null hypothesis

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20. A follow-up test to the _____ is called post hoc test

Answer

Correct Answer: Analysis of variance

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21. The large group to which a researcher wants to generalize the sample results; the complete set of cases is called

Answer

Correct Answer: Population

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22. The use of the value of a sample statistic as the estimate of the value of a population parameter is called point estimation

Answer

Correct Answer: True

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23. The estimated value of a population parameter is called point estimate

Answer

Correct Answer: True

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24. A numerical characteristic of a _____ is called parameter

Answer

Correct Answer: Population

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25. A statistical test used to compare two or more group means (also called one-way ANOVA) is called _____

Answer

Correct Answer: One-way analysis of variance

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26. A statement about a _____ is called null hypothesis

Answer

Correct Answer: Population parameter

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27. An alternative hypothesis that includes the not equal (≠) sign is called

Answer

Correct Answer: Nondirectional alternative hypothesis

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28. One half the width of a confidence interval is called margin of error

Answer

Correct Answer: True

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29. The smallest number on a confidence interval is called

Answer

Correct Answer: Lower limit

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30. State the null and alternative hypotheses.Set the significance level before analyzing the data. (Most educational researchers use .05 as the significance level. Note that the significance level is also called the alpha level or, more simply, alpha.)Obtain the probability value based on the analysis of your empirical data using a computer program such as SPSS. (Note that the probability value is also called the p value.)Compare the probability value to the significance level and make the statistical decision.

Answer

Correct Answer: True

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31. The probability that a confidence interval to be constructed from a _____ will include the population parameter is called level of confidence.

Answer

Correct Answer: Random sample

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32. Statistics that go beyond the immediate data and infer the characteristics of populations based on samples; use of the laws of probability to make inferences and draw statistical conclusions about populations based on sample data is called

Answer

Correct Answer: Inferential statistics

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33. The branch of inferential statistics that is concerned with how well the sample data support a null hypothesis and when the null hypothesis can be rejected Is called hypothesis testing

Answer

Correct Answer: True

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34. A measure of the strength or magnitude of a relationship between the independent and dependent variables is called effect size indicator

Answer

Correct Answer: True

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35. An alternative hypothesis that contains either a greater than sign (>) or a less than sign (<) is called

Answer

Correct Answer: Directional alternative hypothesis

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36. The endpoints of a _____ is called confidence limits

Answer

Correct Answer: Confidence limits

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37. A range of numbers inferred from the sample that has a certain probability or chance of including the population parameter is called _____

Answer

Correct Answer: Confidence interval

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38. A statistical test used to determine whether a relationship observed in a contingency table is statistically significant is called chi-square test for contingency tables

Answer

Correct Answer: True

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39. A statement that the population parameter is some value other than the value stated by the null hypothesis; it is the complement of the null hypothesis. For example, if the null hypothesis states that two population means are equal, then the alternative hypothesis would state that the two means are not equal Is called alternative hypothesis

Answer

Correct Answer: True

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40. In hypothesis testing (or significance testing), the research finding is said to be statistically significant when the significance level is less than or equal to the probability value.

Answer

Correct Answer: False

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41. In the one-way analysis of variance procedure, post hoc tests are needed when the overall one-way analysis of variance is statistically significant and you have two group means.

Answer

Correct Answer: False

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42. The significance level also is called the alpha level.

Answer

Correct Answer: True

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43. In significance testing, the research hypothesis is actually tested.

Answer

Correct Answer: False

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44. The standard deviation of a sampling distribution is called the sampling deviation.

Answer

Correct Answer: False

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45. The symbols in the null and alternative hypotheses are ______.

Answer

Correct Answer: Greek letters standing for population parameters

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46. In hypothesis testing, the “probability of the observed result of your research result, or a more extreme result, if the null hypothesis were true” is called the ______, and the “cutoff the researcher uses to decide when to reject the null hypothesis” is called the ______.

Answer

Correct Answer: P value; alpha level

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47. A ______ results if you “reject a true null” hypothesis, and a ______ results if you “fail to reject a false null” hypothesis. (Select the letter that has the right answers in their correct order.)

Answer

Correct Answer: Type I error; Type II error

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48. The difference between the value of the sample statistic and the corresponding population parameter is the ______.

Answer

Correct Answer: Sampling error

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49. A numerical characteristic of a population (such as a mean) is called ______, and a numerical characteristic of a sample (such as a mean) is called ______. (Select the answer with the two correct terms in their correct order.)

Answer

Correct Answer: Parameter; statistic

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50. The statistical procedure known as analysis of variance (ANOVA) is used to see whether group means are significantly different. This test can be used for how many group means?

Answer

Correct Answer: Two or more group means

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51. You have just used the statistical program called SPSS to calculate a 95% confidence interval and a 99% confidence interval. Which statement is true?

Answer

Correct Answer: The 95% interval will be narrower.

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52. Practical significance ______.

Answer

Correct Answer: Is considered when interpreting statistically significant results

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53. The theoretical probability distribution of all values of a statistic when all possible random samples are drawn from a population is known as a ______.

Answer

Correct Answer: Sampling distribution

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54. Which of the following symbols represents a population parameter?

Answer

Correct Answer: μ

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Educational Research And Methods MCQs | Topic-wise

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MCQ on Action Research for Lifelong MCQ on Basic Educational Research and Methods
MCQ on Communicating Research MCQ on Construct a Questionnaire
MCQ on Data Collection in Quantitative, Qualitative, and Mixed Research MCQ on Descriptive Statistics in Educational Research
MCQ on Designing a Research Study MCQ on Educational Practice with Research Methods
MCQ on Educational Research MCQ on Educational Research Ethics
MCQ on Ethical Research MCQ on Experimental Designs in Educational Research
MCQ on Exposition of Data MCQ on How to Create Testable Ideas
MCQ on How to Write Your Research MCQ on Inferential Statistics Research
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MCQ on Making Inferences About Data MCQ on Making Inferences About Qualitative Data
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MCQ on Phenomenology, Ethnography, and Grounded Theory MCQ on Populations Sampling
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MCQ on Quasi and Single-Case Designs MCQ on Quasi-Experimental and Single-Case Experimental Designs
MCQ on Research Design Selection MCQ on Research Ethics
MCQ on Sampling in Quantitative, Qualitative, and Mixed Research MCQ on Scientific Variables, Validity, and Reliability
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