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MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Hi pls help me find the p value and decision rule and interpretation

Variable Pre-test and post-test of the senior high school grade 12 STEM students Comparative significance is accepted at P-value Decision Rule and Interpretation
Transcribed Image Text:Variable Pre-test and post-test of the senior high school grade 12 STEM students Comparative significance is accepted at P-value Decision Rule and Interpretation
➡ T-Test Pair 1 PRE_TEST POST_TEST Pair 1 PRE TEST & POST_TEST 95% Confidence Interval of the Difference Lower Upper Pair 1 PRE TEST POST_TEST -1.942 -1.191 95% Confidence Interval Lower Upper Standardizer Point Estimate 1.006 Pair 1 PRE_TEST-POST_TEST Cohen's d -1.557 -2.086 -1.015 Hedges' correction 1.033 -1.516 -2.032 -.988 a. The denominator used in estimating the effect sizes. Cohen's d uses the sample standard deviation of the mean difference. Hedges' correction uses the sample standard deviation of the mean difference, plus a correction factor. Paired Samples Statistics Meani N Std. Deviation Std. Error Mean 3.53 30 .571 .104 5.10 30 .923 .168 Paired Samples Correlations Significance. N Two-Sided pl Correlation One-Sided p .157 30 .204 .408 Paired Samples Test Mean Std. Deviation Std. Error Mean -1.567 1.006 .184 Paired Samples Effect Sizes Paired Differences t -8.527 df 29 Significance One-Sided p Two-Sided p <.001 <.001
Transcribed Image Text:➡ T-Test Pair 1 PRE_TEST POST_TEST Pair 1 PRE TEST & POST_TEST 95% Confidence Interval of the Difference Lower Upper Pair 1 PRE TEST POST_TEST -1.942 -1.191 95% Confidence Interval Lower Upper Standardizer Point Estimate 1.006 Pair 1 PRE_TEST-POST_TEST Cohen's d -1.557 -2.086 -1.015 Hedges' correction 1.033 -1.516 -2.032 -.988 a. The denominator used in estimating the effect sizes. Cohen's d uses the sample standard deviation of the mean difference. Hedges' correction uses the sample standard deviation of the mean difference, plus a correction factor. Paired Samples Statistics Meani N Std. Deviation Std. Error Mean 3.53 30 .571 .104 5.10 30 .923 .168 Paired Samples Correlations Significance. N Two-Sided pl Correlation One-Sided p .157 30 .204 .408 Paired Samples Test Mean Std. Deviation Std. Error Mean -1.567 1.006 .184 Paired Samples Effect Sizes Paired Differences t -8.527 df 29 Significance One-Sided p Two-Sided p <.001 <.001
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