educational self assessment If a finding is statistically significant one must also interpret data, calculate effect size, and assess practical significance. If a finding is statistically significant one must also interpret data, calculate effect size, and assess practical significance. Options: (a) True (b) False (c) None of the above (d) All Tauseef Ahmad 17 Dec 2025 · 1 min read
educational self assessment A Type II error is also known as a A Type II error is also known as a Options: (a) False positive (b) False negative (c) Double negative (d) Positive negative ✅ Correct Option: (b) False negative Explanation (200+ words) Tauseef Ahmad 17 Dec 2025 · 1 min read
educational self assessment A Type I error is also known as a A Type I error is also known as a Options: (a) False positive (b) False negative (c) Double negative (d) Positive negative ✅ Correct Option: (a) False positive Explanation (200+ words) Tauseef Ahmad 17 Dec 2025 · 1 min read
educational self assessment The "equals" sign (=) is included in which hypothesis? The "equals" sign (=) is included in which hypothesis? Options: (a) Null (b) Alternative (c) It can appear in both the null and the (d) alternative hypothesis ✅ Correct Option: Tauseef Ahmad 17 Dec 2025 · 1 min read
educational self assessment This is the difference between a sample statistic and the corresponding population parameter. This is the difference between a sample statistic and the corresponding population parameter. Options: (a) Standard error (b) Sampling error (c) Difference error (d) None ✅ Correct Option: (b) Sampling error Tauseef Ahmad 17 Dec 2025 · 1 min read
educational self assessment Assuming innocence until "proven" guilty, a Type I error occurs when an innocent person is found guilty. Assuming innocence until "proven" guilty, a Type I error occurs when an innocent person is found guilty. Options: (a) True (b) False (c) None of the above (d) Tauseef Ahmad 17 Dec 2025 · 1 min read
educational self assessment is the failure to reject a false null hypothesis. is the failure to reject a false null hypothesis. Options: (a) Type I error (b) Type A error (c) Type II error (d) Type B error ✅ Correct Option: (c) Type Tauseef Ahmad 17 Dec 2025 · 1 min read
educational self assessment As sample size goes up, what tends to happen to 95% confidence intervals? As sample size goes up, what tends to happen to 95% confidence intervals? Options: (a) They become more precise (b) They become more narrow (c) They become wider (d) Both Tauseef Ahmad 17 Dec 2025 · 1 min read
educational self assessment Which percent confidence interval will be the widest (i.e., the least precise) for a particular data set that includes exactly 500 cases? Which percent confidence interval will be the widest (i.e., the least precise) for a particular data set that includes exactly 500 cases? Options: (a) 99% (b) 90% (c) 95% Tauseef Ahmad 17 Dec 2025 · 1 min read
educational self assessment The cutoff used to reject the null hypothesis is called The cutoff used to reject the null hypothesis is called Options: (a) Significance level (b) Alpha level (c) Probability value (d) Both a and b ✅ Correct Option: (d) Both a Tauseef Ahmad 16 Dec 2025 · 1 min read
educational self assessment Test used to check significance of a correlation coefficient Test used to check significance of a correlation coefficient Options: (a) One-way ANOVA (b) t-test for independent samples (c) Chi-square (d) t-test for correlation coefficients ✅ Correct Option: (d) t-test for Tauseef Ahmad 16 Dec 2025 · 1 min read
educational self assessment Using probability laws to infer population characteristics from samples is Using probability laws to infer population characteristics from samples is Options: (a) Descriptive statistics (b) Inferential statistics (c) Sample statistics (d) Population statistics ✅ Correct Option: (b) Inferential statistics Explanation (200+ Tauseef Ahmad 16 Dec 2025 · 1 min read
educational self assessment Rejecting a true null hypothesis results in Rejecting a true null hypothesis results in Options: (a) Type I (b) Type A (c) Type II (d) Type B ✅ Correct Option: (a) Type I Explanation (200+ words): A Type Tauseef Ahmad 16 Dec 2025 · 1 min read
educational self assessment Which can be viewed as an effect size indicator? Which can be viewed as an effect size indicator? Options: (a) r² (b) Eta² (c) Omega² (d) All above ✅ Correct Option: (d) All above Explanation (200+ words): All listed statistics Tauseef Ahmad 16 Dec 2025 · 1 min read
educational self assessment An effect size indicator measures strength of relationship. An effect size indicator measures strength of relationship. Options: (a) True (b) False (c) None (d) All ✅ Correct Option: (a) True Explanation (200+ words): Effect size indicators measure how strong Tauseef Ahmad 16 Dec 2025 · 1 min read
educational self assessment is the standard deviation of a sampling distribution. is the standard deviation of a sampling distribution. Options: (a) Standard error (b) Sample standard deviation (c) Replication error (d) Meta error ✅ Correct Option: (a) Standard error Explanation (200+ words) Tauseef Ahmad 16 Dec 2025 · 1 min read
educational self assessment A is a range of numbers inferred from the sample that likely contains the population parameter. A is a range of numbers inferred from the sample that likely contains the population parameter. Options: (a) Hypothesis (b) Confidence interval (c) Lower limit (d) Probability limit ✅ Correct Option: Tauseef Ahmad 16 Dec 2025 · 1 min read
educational self assessment “The car will probably cost about $16,000” sounds like a “The car will probably cost about $16,000” sounds like a Options: (a) Point estimate (b) Interval estimate (c) Both (d) None ✅ Correct Option: (a) Point estimate Explanation (200+ words) Tauseef Ahmad 16 Dec 2025 · 1 min read
