ADMS 2320: TERM TEST #1 PREP · Fall 2026

Chapter 1: What is Statistics?

5 Topics | 2 Quizzes

Populations vs Samples

Parameters vs Statistics

Descriptive vs Inferential Statistics

Confidence vs Significance Levels

Chapter 01 Quiz

Chapter 01 Quiz (with videos solutions)_

Chapter 2: Graphical Descriptive Techniques I

5 Topics | 2 Quizzes

Calculations for Types of Data

Heirarchy of Data

Frequency and Relative Frequency Distributions

Bar Charts and Pie Charts

Chapter 02 Quiz

Chapter 02 Quiz (with video solutions)

Chapter 3: Graphical Descriptive Techniques II

5 Topics | 2 Quizzes

Histograms: Graphing Interval Data

Histograms: Number of Classes & Sturge’s Formula

Histograms: Class Interval Width & Drawing the Histogram

Histograms: Describing the Shape of the Distribution

Stem and Leaf Display

Chapter 03 Quiz

Chapter 03 Quiz (with video solutions)

Chapter 4: Numerical Descriptive Techniques

23 Topics | 2 Quizzes

Measures of Central Tendency

When to Use the Median

When to Use the Mode

Why the Mean is Best

The Geometric Mean (Part 1)

The Geometric Mean (Part 2)

Why Measure Variability

Deviations from the Mean

Variance (To the Rescue!)

Standard Deviation

Chebysheff’s Theorem (Part 1)

Chebysheff’s Theorem (Part 2)

Mean-Absolute-Deviation (M.A.D.)

Measures of Variation | Recap

Location of a Percentile

Coefficient of Correlation

Chapter 04 Quiz

Chapter 04 Quiz (with video solutions)

Chapter 6: Probability

9 Topics | 2 Quizzes

Looking Ahead | Chapter 6 vs Upcoming Probability Chapters

Q1 | Relative Frequency Approach

Q1 | Joint + Marginal Tables

Q2 | Solving Probability Word Problems

Q3 | Another Word Problem

Q4 | Bayes’ Theorem

Q5 | More Bayes’ Theorem

Focus on Conditional Probabilities

Past Term Test Question

Chapter 06 Quiz

Chapter 06 Quiz (with video solutions)

Last Year’s Test | Term Test #1

13 Topics

Q1.1) Bar Chart Data

Q1.2) Types of Data

Q1.3a) Histogram Class Intervals

Q1.3b) Histogram Intervals

Q2a) Measures of Central Location

Q2b) Mean Absolute Deviation M.A.D.

Q2c) Interquartile Range

Q2d) Standard Deviation

Q3) Setting up the Probability Solution

Q3a) Mutually Exclusive Probabilities

Q3b) Conditional Probability

Q3c) Joint Probability

Q3d) Test for Independent Events

Term Test #1 – 2021 Winter

15 Topics

Q1.Ia) Missing Data

Q1.Ib) Sample M.A.D.

Q1.II) Upper Quartile

Q1.III) Empirical Rule

Q2a) Conditional Probability

Q2b) Conditional Probability

Q2c) Addition Rule

Q2d) Test of Independence

Q2e) Bayes’ Theorem

Q2f) Joint Probability

Q3a) Interquartile Range

Q3b) Mean & Geometric Mean

Q3c) Graphing Numerical Data

Q3d) Median & Percent

Term Test #1 – 2019 Winter

9 Topics

Q1a-i) Variance of X, Variance of Y

Q1a-ii) Standard Deviation of X, Standard Deviation of Y

Q1a-iii) Coefficient of Variation of X, Coefficient of Variation of Y

Q1a-iv) Comparing Variability of X and Y

Q1b-i) Covariance

Q1b-ii) Coefficient of Correlation

Q1b-iii) Interpretation of the Coefficient of Correlation

Q1c-i) Location of a Percentile

Q1c-ii) Percentile Value

Term Test #1 – 2018 Summer

18 Topics

Q1b) The Median

Q1e) The Variance

Q1f) The Standard Deviation

Q1g) The Coefficient of Variation

Q1h) The Mean Absolute Deviation

Q1i) The Inter Quartile Range

Q2) How to Solve Chapter 6 Word Problems

Q2c) P(NS | NF)

Q2d) P(NF and S)

Q2e) P(NF | NS)

Q2f) Test of Independence

Term Test #1 – 2017 Fall

12 Topics

Q1a) Percentile

Q1b) Mean Absolute Deviation

Q1c) Covariance

Q1d) Coefficient of Correlation

Q1e) Coefficient of Variation

Q2a) Test of Independent Events

Q2b) Marginal Probability

Q2c) Addition Rule, Union of Events

Q2d) Joint Probability

Q2e) Conditional Probability

Term Test #1 – 2017 Summer

15 Topics

Q1a) Location of a Percentile

Q1b) Percentile Value

Q1c) Mean Absolute Deviation (MAD)

Q1d) Covariance

Q1e) Coefficient of Correlation

Q1f) The Median

Q2) Setting up the Probability Solution

Q2) Probability Tree

Q2) Probability Table

Q2a) Marginal Probability

Q2c) Additon Rule – Union of Events

Q2d) Conditional Probability

Q2e) Conditional Probability

Q2f) Test of Independence + More

Term Test #1 – 2016 Fall

18 Topics

Q1) Summation and Order of Operations

Q1b) The Median

Q1e) The Variance

Q1f) The Standard Deviation

Q1g) The Coefficient of Variation

Q1h) The Sum of Deviations From the Mean

Q2) How to Solve Probability Word Problems

Q2) Identifying Conditional Probabilities

Q2a) Probabilitiy Trees and Probability Tables

Q2b) Classical, Relative, and Subjective Probabilities

Q2c) Marginal Probability

Q2d) Joint probability

Q2e) Conditional Probability

Q2f) Compliment Rule

BONUS >> Term Test #1 – 2022 Summer

13 Topics

Q1b) Mean Absolute Deviation

Q1c) Location of a Percentile, Percentile Value

Q1d) Histogram Interpretation

Q2a) Coefficient of Correlation

Q2b) Geometric Mean

Q2c) Coefficient of Variation

Q2d) Empirical Rule

Q3a) Conditional Probability (Baye’s?)

Q3b) Conditional Probability (Baye’s?)

Q3c) Addtion Rule

Q3d) Test of Independence / Contional Probability

Term Test #1 – 2025 Fall: Written Solutions (PDF)

Chapter 03 Quiz (with video solutions)

ADMS 2320: TERM TEST #1 PREP · Fall 2026 Chapter 3: Graphical Descriptive Techniques II Chapter 03 Quiz (with video solutions)

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Question 1 of 9

1. Question
In a histogram, the relative frequency of a class is computed by which of the following?
- a. dividing the frequency of the class by the number of classes.
- b. dividing the frequency of the class by the class width.
- c. dividing the frequency of the class by the total of all frequencies.
- d. None of these choices.
Correct

Incorrect
Question 2 of 9

2. Question
In a histogram, the sum of the relative frequencies for all classes always equals which of the following?
- a. the number of classes.
- b. the class width.
- c. the total of all the frequencies.
- d. one.
Correct

Incorrect
Question 3 of 9

3. Question
Out of the following, which statement about histograms is not true?
- a. The intervals of a histogram do not overlap.
- b. Every observation is assigned to one and only one class in a histogram.
- c. The intervals of a histogram are equally wide.
- d. None of these choices.
Correct

Incorrect
Question 4 of 9

4. Question
An ogive is a graphical representation of which of the following?
- a. frequencies.
- b. relative frequencies.
- c. cumulative frequencies.
- d. cumulative relative frequencies.
Correct

Incorrect
Question 5 of 9

5. Question
Interval data is graphically represented by which of the following?
- a. A bar chart.
- b. A histogram.
- c. A pie chart.
- d. All of these choices are true.
Correct

Incorrect
Question 6 of 9

6. Question
Which of the following statements is true concerning these histograms?
- a. The shape of the upper histogram is the same as the shape of the lower histogram.
- b. The shape of the upper histogram is positively skewed compared to the lower histogram.
- c. The shape of the upper histogram is negatively skewed compared to the lower histogram.
- d. You cannot compare the shapes of these two histograms without the original data.
Correct

Incorrect
Question 7 of 9

7. Question
On a cumulative relative frequency distribution, what values are shown?
- a. The number of observations that fall into each class interval.
- b. The proportion of observations that fall into each class interval.
- c. The number of observations that fall below each class interval.
- d. The proportion of observations that fall below each class interval.
Correct

Incorrect
Question 8 of 9

8. Question
Which of the following statements is true concerning these histograms?
- a. The spread of the upper histogram is smaller than the spread of the lower histogram.
- b. The spread of the upper histogram is larger than the spread of the lower histogram.
- c. The spread of the upper histogram is the same as the spread of the lower histogram.
- d. You cannot compare the spreads of these two histograms without the original data.
Correct

Incorrect
Question 9 of 9

9. Question
Out of the following, which statement about histograms is not true?
- a. A histogram is a summary of interval data.
- b. A histogram is made of a series of intervals, called classes.
- c. The classes in a histogram cover the complete range of observations
- d. All of these choices are true.
Correct

Incorrect

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