# BUS 308 week 1 Assignment

Problem Set Week One

Week One Assignment will require students to utilize the following resources to complete the assignment. Assignment instructions are contained within the following resources.

All statistical calculations will use the Employee Salary Data Set and Week 1 assignment sheet.

**Grading Rubric:**

### 1. Identifies Data Variable level and Reasons

Distinguished – Performs the following: 1.Correctly identifies all variable data levels and 2. Provides correct reasoning for placing variables in the nominal, ordinal, or interval, categories.

Proficient – Performs the following but misidentifies *no more than three* data types and/or the reasons: 1. Identifies all variable data levels and 2. Provides reasoning for placing variables in the nominal, ordinal, or interval categories.

Basic – Performs the following but misidentifies *no more than* *eight *of the data types and/or the reasons: 1. Identifies variable data levels and 2. Provides reasoning for placing variables in the nominal, ordinal, or interval, categories.

Below Expectations – Performs the following but misidentifies *nine* *or more* of the data types and/or the reasons: 1. Identifies variable data levels and 2. Provides reasoning for placing variables in the nominal, ordinal, or interval, categories.

Non-Performance – There is either no response to problem one, or it fails to provide any correct identification and/or reasoning.

### 2. Generates Mean, Standard Deviation, and Range for Salary, Compa, Age, Performance Rating, and Service For the Overall Group as well as the Males and Females Separately

Distinguished – Performs all of the following correctly: 1.The data necessary for computations was selected accurately. 2. Accurate results produced. 3. The results are presented in a clear format. 4. Identified which variables this function does not work properly for. Correctly calculated and displayed asked for values for all three groups.

Proficient – *One* of the following was not done correctly: 1.The data necessary for computations was selected accurately. 2. Accurate results produced. 3. The results are presented in a clear format. 4. Identified which variables this function does not work properly for. Incorrectly calculated no more than three values.

Basic – *Two* of the following were not done correctly: 1.The data necessary for computations was selected accurately. 2. Accurate results produced. 3. The results are presented in a clear format. 4. Identified which variables this function does not work properly for. Incorrectly calculated no more than 14 total values.

Below Expectations – *Three *of the following were not done correctly: 1.The data necessary for computations was selected accurately. 2. Accurate results produced. 3. The results are presented in a clear format. 4. Identified which variables this function does not work properly for. Incorrectly calculated more than 15 values.

Non-Performance – There is either no response to problem two, or it does not provide correct statistical outcomes as asked for.

### 3. Determines Probability

Distinguished – Performed all the following correctly: 1.The data necessary for computations was selected accurately. 2. Data counts were correct. 3. Produced accurate results. 4. Difference in values explained clearly.

Proficient – *One* of the following was not done correctly: 1.The data necessary for computations was selected accurately. 2. Data counts were correct. 3. Produced accurate results. 4. Difference in values explained clearly.

Basic – *Two* of the following were not done correctly: 1.The data necessary for computations was selected accurately. 2. Data counts were correct. 3. Produced accurate results. 4. Difference in values explained clearly.

Below Expectations – *Three* of the following were not done correctly: 1.The data necessary for computations was selected accurately. 2. Data counts were correct. 3. Produced accurate results. 4. Difference in values explained clearly.

Non-Performance – There is either no response to problem three, or it does not provide probability values as asked for.

### 4. Finds Selected Values For Raw Scores That Cut Off the Top 1/3 of the Values Within the Selected Groups

Distinguished – Performed all of the following correctly: 1.Correct raw score identified for each group. 2. Z score correctly calculated. 3. Related probability determined. 4. Interpretation presented.

Proficient – *No more than four* errors were noted in the following: 1. Raw score identified for each group. 2. Z score calculated. 3. Related probability determined. 4. Interpretation presented.

Basic – *No more than* *eight* errors were noted in the following: 1. Raw score identified for each group. 2. Z score calculated. 3. Related probability determined. 4. Interpretation presented.

Below Expectations – *No more than* *15* errors were noted in the following: 1. Raw score identified for each group. 2. Z score calculated. 3. Related probability determined. 4. Interpretation presented.

Non-Performance – There is either no response to problem four, or it fails to provide any information on z-scores, distributions and relative value of different measures asked for in the question.

### 5. Conclusions About the Male and Female Pay Equality

Distinguished – Provides thorough and accurate conclusions about the following issues: 1. Male and female pay inequality. 2. Consistency between and among different statistical measures of equality.

Proficient – Provides complete and mostly accurate conclusions about the following issues: 1. Male and female pay inequality. 2. Consistency between and among different statistical measures of equality.

Basic – Provides incomplete and/or inaccurate conclusions about the following issues: 1. Male and female pay inequality. 2. Consistency between and among different statistical measures of equality.

Below Expectations – Provides incomplete and inaccurate conclusions about the following issues: 1. Male and female pay inequality. 2. Consistency between and among different statistical measures of equality.

Non-Performance – There is either no response to problem five, or it fails to provide any correct response to the results about males and females.