Assignment 1: Descriptive Statistics
Problem Description:
Analyzing key statistics for variables in a dataset.
Summary:
Variables: C21_A, C43C
Statistics: Mean, Standard Deviation, Minimum, Maximum
Results:
- STARTING WAGE DOLLARS:
Mean: 7.269
- RESPONDENT AGE:
Mean: 39.37, Std. Deviation: 11.593, Min: 18, Max: 75
- Valid N (listwise): 128
Assignment 2: Frequency Analysis
Problem Description:
Investigating the frequency distribution of categorical variables.
Summary:
Variables: A2B, G5, C2A
Results:
MINORITY-OWNED COMPANY:
- Valid: 167, Missing: 10
- Frequencies:
1: 7.9%
2: 86.4%
BUSINESS HIRED CRIMINAL BACKGROUND:
- Valid: 158, Missing: 19
- Frequencies:
1: 42.4%
2: 46.9%
EMPLOYEE RACIAL BACKGROUND:
- Valid: 156, Missing: 21
- Frequencies:
1: 53.1%
2: 20.3%
3: 9.0%
4: 5.6%
Assignment 3: T-Test Analysis
Problem Description:
Comparing means of two groups for different variables.
Summary:
Groups: A2B(1 5)
Variables: C43C, CA7, C7B, CB19, C21_A
Results:
Group Statistics:
- See detailed statistics for each variable and group.
Independent Samples Test:
- Levene's Test for Equality of Variances
- t-test for Equality of Means
Assignment 4: Univariate Analysis of Variance (ANOVA)
Problem Description:
Examining the impact of a categorical variable on a continuous variable.
Summary:
Factors: C2A (EMPLOYEE RACIAL BACKGROUND)
Dependent Variable: STARTING WAGE DOLLARS
Results:
Between-Subjects Factors:
- White:72, Black: 26, Hispanic: 12, Other: 9
Descriptive Statistics:
- Mean, Std. Deviation, N for each category
Tests of Between-Subjects Effects:
- Significance tests and effect sizes
Post Hoc Tests:
- Tukey HSD for pairwise comparisons
Homogeneous Subsets - Assignment 5
Problem Description:
Analyzing homogeneous subsets for the variable STARTING WAGE DOLLARS based on EMPLOYEE RACIAL BACKGROUND.
Summary:
Test Used: Tukey HSD
Results:
EMPLOYEE RACIAL BACKGROUND Subsets:
- Hispanic: 7.083
- Other: 7.222
- Black: 7.269
- White: 7.444
Statistical Significance: p = 0.982
Note: Harmonic Mean Sample Size used due to unequal group sizes.
Univariate Analysis of Variance (ANOVA) - Assignment 6
Problem Description:
Investigating the impact of EMPLOYEE RACIAL BACKGROUND on RESPONDENT AGE.
Summary:
Factors: EMPLOYEE RACIAL BACKGROUND (C2A)
Results:
Descriptive Statistics:
- White: Mean = 40.26, Std. Dev. = 10.693
- Black: Mean = 38.69, Std. Dev. = 12.555
- Hispanic: Mean = 36.53, Std. Dev. = 11.115
- Other: Mean = 43.00, Std. Dev. = 17.518
Tests of Between-Subjects Effects:
- Significance tests and effect sizes
Post Hoc Tests (Tukey HSD):
- Pairwise comparisons of group means
Note: Harmonic Mean Sample Size used due to unequal group sizes.
Crosstabs Analysis - Assignment 7
Problem Description:
Examining the relationship between BUSINESS HIRED CRIMINAL BACKGROUND and MINORITY-OWNED COMPANY, and EMPLOYEE RACIAL BACKGROUND and MINORITY-OWNED COMPANY.
Results:
BUSINESS HIRED CRIMINAL BACKGROUND * MINORITY-OWNED COMPANY
Crosstabulation:
Yes:
- Count: 7 (53.8% within MINORITY-OWNED COMPANY)
No:
- Count: 6 (54.3% within MINORITY-OWNED COMPANY)
Chi-Square Test:
- Pearson Chi-Square: 0.321 (p = 0.571)
EMPLOYEE RACIAL BACKGROUND * MINORITY-OWNED COMPANY
Crosstabulation:
White:
- Count: 9 (64.3% within MINORITY-OWNED COMPANY)
Black:
- Count: 1 (7.1% within MINORITY-OWNED COMPANY)
Hispanic:
- Count: 2 (14.3% within MINORITY-OWNED COMPANY)
Other:
- Count: 2 (14.3% within MINORITY-OWNED COMPANY)
Chi-Square Test:
- Pearson Chi-Square: 3.000 (p = 0.392)