Testing Assumptions Group Statistics review N Mean Std Deviation Std Error Mean final No 35 61 57 6 016 1 017 Yes 70 64 64 6 980 834 Independent Samples Test Levene's Test for Equality of Variances t test for Equality of Means F Sig t df Sig (2 tailed) Mean Difference Std Error Difference 95 Confidence Interval of the Difference Lower Upper final Equal variances assumed 2 024 158 2 222 103 028 3 071 1 382 5 813 330 Equal variances not assumed 2 335 77 807 022 3 071 1 315 5 690 453 Report the means and standard deviations for each group State the results of the t test using the Assume equal variances row Interpret the statistical results against the null hypothesis and state whether it is rejected or not rejected Step 1 Write Section 1 of the DAA The Data Analysis Plan Name the variables used in this analysis and whether they are categorical or continuous State a research question, null hypothesis, and alternate hypothesis for the independent samples t test Step 2 Write Section 2 of the DAA Testing Assumptions Test for one of the assumptions of t tests homogeneity of variance Create SPSS output showing the Levene's Test for Equality Variances Run the Levene's test on the dependent variable test for the entire sample Do not split the data up by review session before running the homogeneity test Paste the table in the DAA Interpret the Levene's test Step 3 Write Section 3 of the DAA Results and Interpretation Paste the SPSS output of the t test Below the output Report the means and standard deviations for each group State the results of the t test using the Assume equal variances row Interpret the statistical results against the null hypothesis and state whether it isrejected or not rejected Step 4 Write Section 4 of the DAA Statistical Conclusions Provide a brief summary of your analysis and the conclusions drawn about this t test Analyze the limitations of the statistical test and or possible alternative explanations for your results Step 5 Write Section 5 of the DAA Application Analyze how you might use the independent samples t test in your field of study Name an independent variable and dependent variable that would work for such an analysis and why studying it may be important to the field or practice

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Testing Assumptions Group Statistics review N Mean Std. Deviation Std. Error Mean final No 35 61.57 6.016 1.017 Yes 70 64.64 6.980 .834 Independent Samples

Testing Assumptions

Group Statistics
	review	N	Mean	Std. Deviation	Std. Error Mean
final	No	35	61.57	6.016	1.017
Yes	70	64.64	6.980	.834

Independent Samples Test
	Levene's Test for Equality of Variances	t-test for Equality of Means
F	Sig.	t	df	Sig. (2-tailed)	Mean Difference	Std. Error Difference	95% Confidence Interval of the Difference
Lower	Upper
final	Equal variances assumed	2.024	.158	-2.222	103	.028	-3.071	1.382	-5.813	-.330
Equal variances not assumed			-2.335	77.807	.022	-3.071	1.315	-5.690	-.453

Report the means and standard deviations for each group. State the results of the t-test using the "Assume equal variances" row. Interpret the statistical results against the null hypothesis and state whether it is rejected or not rejected.

Step 1: Write Section 1 of the DAA:The Data Analysis Plan

Name the variables used in this analysis and whether they are categorical or continuous.
State a research question, null hypothesis, and alternate hypothesis for the independent samples t-test.

Step 2: Write Section 2 of the DAA:Testing Assumptions

Test for one of the assumptions ofttests - homogeneity of variance.

Create SPSS output showing the Levene's Test for Equality Variances. Run the Levene's test on the dependent variable test for the entire sample. Do not split the data up by review session before running the homogeneity test.
Paste the table in the DAA.
Interpret the Levene's test.

Step 3: Write Section 3 of the DAA:Results and Interpretation

Paste the SPSS output of thettest. Below the output:

Report the means and standard deviations for each group.
State the results of the t-test using the "Assume equal variances" row.
Interpret the statistical results against the null hypothesis and state whether it isrejected or not rejected.

Step 4: Write Section 4 of the DAA:Statistical Conclusions

Provide a brief summary of your analysis and the conclusions drawn about thisttest.
Analyze the limitations of the statistical test and/or possible alternative explanations for your results.

Step 5: Write Section 5 of the DAA:Application

Analyze how you might use the independent samplesttest in your field of study.

Name an independent variable and dependent variable that would work for such an analysis and why studying it may be important to the field or practice.