JMP Pro Tutorial Exercise Worksheet

Descriptive Statistics

ReadDescription of the Salary Data Filethat appears on page 3.

Access JMP Pro

Open the data file, salary.jmp

Scroll down and across the data file and verify that there are 474 employees (cases) represented in the data file and that there are 11 variables recorded for each of the employees.

For each of the variables listed below, indicated the data type in addition to the scale of measurement:

VariableData TypeScale of Measurement

IDCategoicalNominal

SALBEGNumericalInterval

SEXCategoicalNominal

TIMENumericalRatio

AGENumericalRatio

SALNOWNumericalInterval

EDLEVELNumericalInterval

WORKNumericalRatio

JOBCATCategoicalNominal

MINORITYCategoicalNominal

SEXRACECategoicalNominal

Generate a frequency table, barchart, and pie chart for the variables SEX, MINORITY, and SEXRACE.Refer to the JMP One-Page Guides for guidance:(1) Bar Charts and Frequency Distributions, (2)Pareto Plots and Pie Charts

Answer the following questions:

1.How many employees are white?__________

2.How many employees are minority males?__________

3.What percent of employees are females?__________

4.What percent of employees are minority?__________

Generate a crosstabulation and clustered barchart of SEX and MINORITY.Be sure to generate total, row, and column percentages.Refer to the JMP One-Page Guide for guidance:Mosaic Plot and Contingency Table.

Answer the following questions:

1.How many employees are minority males?__________

2.What percent of employees are females?__________

3.What percent of employees are white females?__________

4.What percent of male employees are minority?__________

5.What percent of white employees are female?__________

6.Is there a difference between males and females with respect to minority?__________

Defend your answer:

Generate a stem and leaf display, histogram, and boxplot for the variables current salary and age.Refer to the JMP One-Page Guides for guidance: (1)Histograms, Descriptive Stats and Stem and Leaf, (2) Boxplots.

Answer the following questions:

1.What is the shape of the distribution of current salary values?_______________

2.What is the highest current salary value?_______________

3.What is the lowest current salary value?_______________

4.What is the typical current salary value?_______________

5.How many current salary values are outliers?_______________

6.What is the shape of the distribution of age values?_______________

7.What is the highest age value?_______________

8.What is the lowest age value?_______________

9.What is the typical age value?_______________

10.How many age values are outliers?_______________

Generate stem and leaf display, histogram, boxplot for the variable current salary - for males and females separately.

Answer the following questions:

1.What is the shape of the distribution of male salary values?_______________

2.What is the highest male salary value?_______________

3.What is the lowest male salary value?_______________

4.What is the typical male salary value?_______________

5.How many male salary values are outliers?_______________

6.What is the shape of the distribution of female salary values?_______________

7.What is the highest female salary value?_______________

8.What is the lowest female salary value?_______________

9.What is the typical female salary value?_______________

10.How many female salary values are outliers?_______________

Generate a scatterplot of the variables current salary and beginning salary.Refer to the JMP One-Page Guide for guidance:Scatterplots.

1.Describe the relationship between current salary and beginning salary.

JMP Pro Tutorial Exercise Worksheet

Descriptive Statistics

ReadDescription of the Salary Data Filethat appears on page 3.

Access JMP Pro

Open the data file, salary.jmp

Scroll down and across the data file and verify that there are 474 employees (cases) represented in the data file and that there are 11 variables recorded for each of the employees.

For each of the variables listed below, indicated the data type and scale of measurement:

VariableData TypeScale of Measurement

IDCategoicalNominal

SALBEGNumericalInterval

SEXCategoicalNominal

TIMENumericalRatio

AGENumericalRatio

SALNOWNumericalInterval

EDLEVELNumericalInterval

WORKNumericalRatio

JOBCATCategoicalNominal

MINORITYCategoicalNominal

SEXRACECategoicalNominal

Generate a frequency table, barchart, and pie chart for the variables SEX, MINORITY, and SEXRACE.Refer to the JMP One-Page Guides for guidance:(1) Bar Charts and Frequency Distributions, (2)Pareto Plots and Pie Charts

Answer the following questions:

1.How many employees are white?__________

2.How many employees are minority males?__________

3.What percent of employees are females?__________

4.What percent of employees are minority?__________

Generate a crosstabulation and clustered barchart of SEX and MINORITY.Be sure to generate total, row, and column percentages.Refer to the JMP One-Page Guide for guidance:Mosaic Plot and Contingency Table.

Answer the following questions:

1.How many employees are minority males?__________

2.What percent of employees are females?__________

3.What percent of employees are white females?__________

4.What percent of male employees are minority?__________

5.What percent of white employees are female?__________

6.Is there a difference between males and females with respect to minority?__________

Defend your answer:

Generate a stem and leaf display, histogram, and boxplot for the variables current salary and age.Refer to the JMP One-Page Guides for guidance: (1)Histograms, Descriptive Stats and Stem and Leaf, (2) Boxplots.

Answer the following questions:

1.What is the shape of the distribution of current salary values?_______________

2.What is the highest current salary value?_______________

3.What is the lowest current salary value?_______________

4.What is the typical current salary value?_______________

5.How many current salary values are outliers?_______________

6.What is the shape of the distribution of age values?_______________

7.What is the highest age value?_______________

8.What is the lowest age value?_______________

9.What is the typical age value?_______________

10.How many age values are outliers?_______________

Generate stem and leaf display, histogram, boxplot for the variable current salary - for males and females separately.

Answer the following questions:

1.What is the shape of the distribution of male salary values?_______________

2.What is the highest male salary value?_______________

3.What is the lowest male salary value?_______________

4.What is the typical male salary value?_______________

5.How many male salary values are outliers?_______________

6.What is the shape of the distribution of female salary values?_______________

7.What is the highest female salary value?_______________

8.What is the lowest female salary value?_______________

9.What is the typical female salary value?_______________

10.How many female salary values are outliers?_______________

Generate a scatterplot of the variables current salary and beginning salary.Refer to the JMP One-Page Guide for guidance:Scatterplots.

1.Describe the relationship between current salary and beginning salary.