Introduction to Statistics for Data Science
- Descrição
- Currículo
- FAQ
- Revisões
This course teaches the foundational material of statistics covered in an introductory college course, with a focus on mastering hypothesis testing for proportions, means, and categorical data.
The course includes:
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10 hours of video lectures, using the innovative lightboard technology to deliver face-to-face lectures
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Supplementary lecture notes with each lesson covering important vocabulary, examples and explanations from the video lessons
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19 quizzes to check your understanding
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9 assignments with solutions to practice what you have learned
You will learn about:
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Common terminology to describe different types of data and learn about commonly used graphs
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Basic probability, including the concept of a random variable, probability mass functions, cumulative distribution functions, and the binomial distribution
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What is the normal distribution, why it is so important, and how to use z-scores and z-tables to compute probabilities
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Type I errors, alpha, critical values, and p-values
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How to conduct hypothesis tests for one and two proportions using a z-test
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How to conduct hypothesis tests for one and two means using a t-test
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Confidence Intervals for proportions and means, and the connection between hypothesis testing and confidence intervals
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How to conduct a chi-square goodness-of-fit test
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How to conduct a chi-square test of homogeneity and independence.
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An introduction to correlation and simple linear regression
This course is ideal for many types of students:
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Anyone who wants to learn the foundations of statistics and understand concepts like p-values and confidence intervals
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Students taking an introductory college or high school statistics class who would like further explanations and detailed examples
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Data science professionals who would like to refresh and expand their statistics knowledge to prepare for job interviews
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1Welcome Document and Probability TablesTexto
Please read the attached Welcome document to learn how to navigate the different aspects of the course.
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2Introduction: Statistics, data, and variablesVídeo Aula
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3Categorical Variables, Frequency and Proportion, Bar ChartsVídeo Aula
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4Discrete and Continuous Variables, Dot PlotsVídeo Aula
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5Quiz 1.1Questionário
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6Stem-and-leaf plots and HistogramsVídeo Aula
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7Shape, Skewness. and SymmetryVídeo Aula
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8Central Tendency: Mean, Median, ModeVídeo Aula
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9Quiz 1.2Questionário
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10Spread: Range, IQR, BoxplotsVídeo Aula
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11Spread: Variance and Standard DeviationVídeo Aula
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12Quiz 1.3Questionário
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13Section 1 Exercises and SolutionsTexto
Download the attached document which contains practice problems and solutions for Section 1.
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14Observed vs. ExpectedVídeo Aula
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15Outcomes, Events, Sample Space, ComplementsVídeo Aula
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16Quiz 2.1Questionário
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17Probability of A or B: Unions of EventsVídeo Aula
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18Practice: Unions and Venn DiagramsVídeo Aula
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19Probability of A and B: Intersections and Conditional ProbabilityVídeo Aula
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20Practice: Independence, Conditional Probability, IntersectionsVídeo Aula
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21Quiz 2.2Questionário
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22Random Variables, PDF/PMF, CDFVídeo Aula
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23Practice: Discrete PMF and CDFVídeo Aula
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24Practice: Continuous CDF (Uniform Distribution)Vídeo Aula
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25Binomial distributionVídeo Aula
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26Expected valueVídeo Aula
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27Practice: Expected ValueVídeo Aula
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28Quiz 2.3Questionário
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29Section 2 Exercises and SolutionsTexto
Section 2 Exercises and Solutions
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30The Standard Normal Distribution and the Empirical RuleVídeo Aula
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31More on the Empirical RuleVídeo Aula
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32Quiz 3.1Questionário
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33Z-tableVídeo Aula
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34Quiz 3.2Questionário
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35Normal distribution parameters: mu and sigmaVídeo Aula
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36Z-scoresVídeo Aula
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37Practice: Z-tableVídeo Aula
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38Practice: Z-scoresVídeo Aula
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39Quiz 3.3Questionário
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40Practice: CLT for continuous dataVídeo Aula
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41The Central Limit TheoremVídeo Aula
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42Practice: CLT for binomial dataVídeo Aula
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43Quiz 3.4Questionário
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44Section 3 Exercises and SolutionsTexto
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45The Null and Alternative HypothesisVídeo Aula
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46Critical values and Decision RulesVídeo Aula
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47Quiz 4.1Questionário
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48P-valuesVídeo Aula
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49P-values with normal approximationVídeo Aula
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50Quiz 4.2Questionário
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51Type I errors and AlphaVídeo Aula
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52One proportion z-test exampleVídeo Aula
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53Quiz 4.3Questionário
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54Section 4 Exercises and SolutionsTexto
Click on the additional resources to download the optional practice exercises with solutions, to practice the skills you are learning in Section 4.
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55Hypothesis testing for two proportionsVídeo Aula
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56Hypothesis testing for two proportion exampleVídeo Aula
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57Quiz 5.1Questionário
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58Section 5 Exercises and SolutionsTexto
Click on the additional resources to download the optional practice exercises with solutions, to practice the skills you are learning in Section 5.
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64Two sample t-testVídeo Aula
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65Two sample t-test exampleVídeo Aula
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66Pooled and UnpooledVídeo Aula
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67Paired t-testsVídeo Aula
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68Quiz 7.1Questionário
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69Section 7 Exercises and SolutionsTexto
Click on the additional resources to download the optional practice exercises with solutions, to practice the skills you are learning in Section 7.
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70Confidence IntervalsVídeo Aula
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71Pivoting a test statistic to make a CIVídeo Aula
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72Performing a hypothesis test based on a confidence intervalVídeo Aula
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73All Four CI FormulasVídeo Aula
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74Confidence Interval One Proportion ExampleVídeo Aula
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75Confidence Interval Two Proportion ExampleVídeo Aula
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76Confidence Interval One Mean ExampleVídeo Aula
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77Confidence Interval Two Mean ExampleVídeo Aula
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78Quiz 8.1Questionário
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79Section 8 Exercises and SolutionsTexto
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80Chi-square Goodness of Fit Test: DieVídeo Aula
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81Chi-square Goodness of Fit exampleVídeo Aula
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82Quiz 9.1Questionário
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83Two way tables and expected countsVídeo Aula
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84Chi-square test for two way tableVídeo Aula
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85Independence vs HomogeneityVídeo Aula
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86Chi Square Two way ExampleVídeo Aula
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87Quiz 9.2Questionário
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88Section 9 Exercises and SolutionsTexto
Click on the additional resources to download the optional practice exercises with solutions, to practice the skills you are learning in Section 9.