QUESTION 1

Please answer the question below based on the following output.

Model Summary
Model	R	R Square	Adjusted R Square	Std. Error of the Estimate
1	.027a	.001	-.011	11.28166
Predictors: (Constant), Pengetahuan

ANOVAa
Model	Sum of Squares	df	Mean Square	F	Sig.
1	Regression	7.584	1	7.584	.060	.808b
Residual	10691.172	84	127.276
Total	10698.756	85
a. Dependent Variable: Communication
b. Predictors: (Constant), Knowledge

Coefficientsa
Model	Unstandardized Coefficients	Standardized Coefficients	t	Sig.
B	Std. Error	Beta
1	(Constant)	82.687	7.152		11.561	.000
knowledge	.040	.163	.027	.244	.808
a. Dependent Variable: Communication

1. Explain the purpose of the analysis above (2M)
2. Briefly explain the similarities and differences of this statistical method and the correlation statistical method (4M)
3. State and describe the types of variable involved in this analysis (3M)
4. Develop the null hypothesis of this study (3M)
5. Explain the decision to test your hypothesis that you developed above using appropriate level of significance testing (5M)
6. Write the regression equation of the findings of this study (3M)

QUESTION 2

Please answer the question below based on the following output.

Group Statistics
	Organisations	N	Mean	Std. Deviation	Std. Error Mean
Work Productivity	Private	74	56.31	6.801	.926
Government	74	63.49	6.358	.649

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
Work Productivity	Equal variances assumed	.130	.719	3.449	146	.001	3.825	1.109	1.634	6.017
Equal variances not assumed			3.384	103.902	.001	3.825	1.130	1.584	6.067

1. Describe and explain the purpose of the analysis above (2M)
2. State the independent and dependent variable as well as the measurement scale used for each variable in the study (4M)
3. Develop the null hypothesis of this study (3M)
4. Briefly explain about the uniformity of variance of the findings in this study (5M)
5. Explain the hypothesis testing decision (5M)

QUESTION 3

Please answer the question below based on the following output.

Deskriptif

	N	Mean	Std. Deviation	95% Confidence Interval for Mean	Minimum	Maximum
Lower Bound	Upper Bound
Science Stream Student	117	22.64	5.67	7.41	9.49	3	27
Literature Stream Student	120	17.94	3.93	7.98	13.62	5	17
Islamic Stream Student	98	19.17	4.13	6.80	11.20	3	19
Others	40	25.37	7.25	.56	14.01	2	23
Total	375	66.09	5.25	7.73	9.50	3	27

Self-Score Concept

ANOVA
Self-Score Concept
	Sum of Squares	df	Mean Square	F	Sig.
Between Groups	65.55	3	21.851	.939	.023
Within Groups	4448.02	371	30.466
Total	4513.57	375

1. Explain the differences of statistical analysis used in this study with statistical analysis for question 2. (4M)
2. Explain the findings of the study based on the descriptive statistics. (3M)
3. Write down the null hypothesis of the study. (3M)
4. Briefly explain the information on the degree of freedom of this study (3M)
5. Explain the result of this study ((6M)