Mathematics
STAT 200 UMUC Descriptive Statistics Data Analysis Plan

stat 200

University of Maryland University College

STAT

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University of Maryland University College

STAT200 - Assignment #1: Descriptive Statistics Data Analysis Plan

Identifying Information

Student (Full Name):

Class:

Instructor:

Date:

Scenario: Please write a few lines describing your scenario and the four variables (in addition to income) you have selected.

Use Table 1 to report the variables selected for this assignment. Note: The information for the required variable, “Income,” has already been completed and can be used as a guide for completing information on the remaining variables.

Table 1. Variables Selected for the Analysis

 Variable Name in the Data Set Description (See the data dictionary for describing the variables.) Type of Variable (Qualitative or Quantitative) Variable 1: “Income” Annual household income in USD. Quantitative Variable 2: Variable 3: Variable 4: Variable 5:

Reason(s) for Selecting the Variables and Expected Outcome(s):

• Variable 1: “Income” -
• Variable 2: ““ -
• Variable 3: ““-
• Variable 4: ““-
• Variable 5: ““-

Data Set Description:

Proposed Data Analysis:

Measures of Central Tendency and Dispersion

Complete Table 2. Numerical Summaries of the Selected Variables and briefly explain why you choose those measurements.Note: The information for the required variable, “Income,” has already been completed and can be used as a guide for completing information on the remaining variables.

Table 2. Numerical Summaries of the Selected Variables

 Variable Name Measures of Central Tendency and Dispersion Rationale for Why Appropriate Variable 1: “Income” Number of ObservationsMedianSample Standard Deviation I am using median for two reasons: If there are any outliers or the data is not normally distributed, the median is the best measure of central tendency.The variable is quantitative. I am using sample standard deviation for three reasons: The data is a sample from a larger data set.It is the most commonly used measure of dispersion.The variable is quantitative. Variable 2: Variable 3: Variable 4: Variable 5:

Graphs and/or Tables

Complete Table 3. Type of Graphs and/or Table for Selected Variables and briefly explain why you choose those graphs and/or tables.Note: The information for the required variable, “Income,” has already been completed and can be used as a guide for completing information on the remaining variables.

Table 3. Type of Graphs and/or Tables for Selected Variables

 Variable Name Graph and/or Table Rationale for why Appropriate? Variable 1: “Income” Graph: I will use the histogram to show the normal distribution of data. Histogram is one of the best plot to show the normal distribution of quantitative level data . Variable 2: Variable 3: Variable 4: Variable 5:

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University of Maryland University College
STAT200 - Assignment #1: Descriptive Statistics Data Analysis Plan

Identifying Information
Student (Full Name):
Class:
Instructor:
Date:
Scenario: I am a 35-year-old single parent with two children and college degree from a four-year
university. I am divorced. My children are 10- and 5-years-old.
Use Table 1 to report the variables selected for this assignment. Note: The information for the required
variable, “Income,” has already been completed and can be used as a guide for completing information
on the remaining variables.
Table 1. Variables Selected for the Analysis
Variable Name in the Data
Set

Description
(See the data dictionary for describing the
variables.)

Type of Variable
(Qualitative or
Quantitative)

Variable 1: “Income”

Annual household income in USD.

Quantitative

Variable 2: “Marital Status”

Marital Status of Head of Household

Qualitative

Variable 3: “Family Size”

Total Number of People in Family (Both

Quantitative

Variable 4: “Annual
Expenditures”

Total Amount of Annual Expenditures

Quantitative

Variable 5: “Housing”

Total Amount of Annual Expenditure on
Housing.

Quantitative

Reason(s) for Selecting the Variables and Expecte...

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Boston College
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