Introduction to Statistics

Learn introductory statistics covering measurement scales, central tendency, variability, and probability, with practical exercises and quizzes to enhance your data analysis skills.

  • Overview
  • Curriculum
  • Instructor
  • Review

Brief Summary

This course makes stats easy peasy! You’ll learn to analyze data, understand different measurement scales, track averages, and see how data spreads out. Plus, you’ll get a taste of probability and some cool graphs along the way. Perfect for anyone looking to get comfy with numbers!

Key Points

  • Scales of measurement: nominal, ordinal, interval, ratio
  • Central tendency: mean, median, mode, and weighted mean
  • Variability: standard deviation, variance, and percentiles
  • Charts and graphs: cumulative frequency distribution and stem-and-leaf plots
  • Introduction to probability, normal distribution, and z-scores

Learning Outcomes

  • Understand and identify different scales of measurement
  • Calculate and interpret measures of central tendency
  • Explain variability and interpret data rankings
  • Organize and summarize data using charts and graphs
  • Gain foundational knowledge in probability and z-scores

About This Course

Introductory Statistics as Covered in the Social, Behavioral, and Natural Sciences

November, 2019

In the course, you will learn how to easily and effectively analyze and interpret data involving introductory statistics. The following topics are covered in this course:

Scales of measurement - nominal, ordinal, interval, ratio. 

  • Goal/Learning Objective: Easily understand the often-confused scales of measurement covered in most statistics texts.

Central Tendency - mean, median, and mode are illustrated along with practice problems; measures of central tendency and skewed distributions are explained, as well as how to calculate the weighted mean. 

  • Goals/Learning Objectives: Summarize a set of data, find the center location in a distribution of scores, understand and identify the location of measures of central tendency in skewed distributions, understand and interpret how to find the overall or combined mean for two different sets of data.

Variability - How to calculate the standard deviation and variance as well as how to interpret percentiles are provided in simple and clear language. 

  • Goals/Learning Objectives: Understand and explain variability (spread) in a set of numbers, including how to rank data and interpret data such as standardized test scores (for example, the 95th percentile).

Charts and Graphs - How to calculate a cumulative frequency distribution table as well as how to calculate a stem and leaf plot is illustrated. 

  • Goals/Learning Objectives: Learn how to easily organize, summarize, understand, and explain a set of numbers.

Probability, the Normal Curve and z-Scores - An introduction to probability is provided, along with properties of the normal distribution and how to calculate and interpret z-scores

  • Goals/Learning Objectives: Understand beginning probability including important characteristics of the normal (Gaussian) distribution, as well as how to calculate and interpret z-scores.

Bonus Features: Cement understanding with practice opportunities including several quizzes with complete video coverage of the solutions. 

Update: New Videos Added on Hypothesis Testing and on Correlation!    (See Sections 6 and 7 of the Course.)


  • Understand and learn how to calculate a number of different descriptive statistics

  • Increase your quantitative and numerical reasoning skills!

  • Increase marketable job skills in data analytics

Course Curriculum

2 Lectures

1 Lectures

Instructor

Profile photo of Quantitative  Specialists
Quantitative Specialists

Quantitative Specialists (QS) was founded by an award-winning university instructor who has taught statistics courses for over 15 years. At QS, we are passionate about all things statistical, especially in helping others understand this often-feared subject matter. Our focus is in helping you to succeed in all your statistics work!

Review
4.9 course rating
4K ratings
ui-avatar of Dhaarna
Dhaarna
3.5
8 months ago

It was good, got the basis understanding of statistics. But more information on how to do it using excel and large data set and how to infer them would be helpful. Along with that different test like chi-square, anova, t-test, f-test and result analysis would be helpful.

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ui-avatar of Johanes Leonardi Taloko
Johanes L. T.
5.0
9 months ago

The content is good and understandable.

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ui-avatar of Anahita Alizadeh
Anahita A.
4.0
9 months ago

it is good for beginner

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ui-avatar of Kamal Singh Jhala
Kamal S. J.
5.0
10 months ago

Explained with detailed explanation

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ui-avatar of Megan Okwiri
Megan O.
3.0
10 months ago

It’s really helpful and easy to interpret

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ui-avatar of Crisharon Beale
Crisharon B.
5.0
10 months ago

Ron is an excellent instructor very thorough this is the second course I’ve purchased. Simple regression was the first.

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ui-avatar of Jessica Matts
Jessica M.
4.0
1 year ago

It was a good introduction course on stats. The main downside was one of the quiz review videos was actually a replicate of an earlier lecture instead of reviewing the quiz.

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ui-avatar of Inez
Inez
3.5
1 year ago

The content is good, just the way it is delivered is not too engaging

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ui-avatar of Kabelo Rathobei
Kabelo R.
4.5
1 year ago

The course is a perfect introductory course for beginners or anyone hoping to refresh their knowledge of descriptive statistics.

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ui-avatar of Monica Rubalcava
Monica R.
5.0
1 year ago

Very well understood

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