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STT 215: Core Concepts and Learning Outcomes in Introductory Statistics

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Intro to Collecting Data

  • Guided course
    Introduction to Collecting Data
    4:01

Sampling Methods

  • Guided course
    Sampling Methods Example 2
    03:07
  • Guided course
    Simple Random Sampling Example 1
    01:30
  • Guided course
    Sampling Methods
    05:27

Frequency Distributions

  • Guided course
    Intro to Frequency Distributions Example 1
    06:19
  • Guided course
    How to Create Frequency Distributions
    06:29
  • Guided course
    Intro to Frequency Distributions
    06:38

Mean

  • Guided course
    Calculating the Mean
    04:52
  • Guided course
    Calculating the Mean Example 1
    03:08

Median

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    Comparing Mean vs. Median
    04:48
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    Calculating the Median Example 1
    02:35
  • Guided course
    Calculating the Median
    03:26

Standard Deviation

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    Calculating Standard Deviation
    08:45
  • Guided course
    Calculating Standard Deviation Example 1
    02:59

Scatterplots & Intro to Correlation

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    Scatterplots & Intro to Correlation Example 1
    05:14
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    Scatterplots & Intro to Correlation
    06:36
  • Guided course
    Creating Scatterplots - Graphing Calculator
    05:26

Basic Concepts of Probability

  • Guided course
    Introduction to Probability
    5:37

Discrete Random Variables

  • Guided course
    Expected Value (Mean) of Random Variables
    04:14
  • Guided course
    Intro to Random Variables & Probability Distributions
    07:09
  • Guided course
    Variance & Standard Deviation of Discrete Random Variables
    04:48

Standard Normal Distribution

  • Guided course
    Z-Scores from Probabilities
    08:50
  • Guided course
    Probabilities Between Two Values
    03:50
  • Guided course
    Finding Standard Normal Probabilities using z-Table
    09:47

Sampling Distribution of the Sample Mean and Central Limit Theorem

  • Guided course
    Central Limit Theorem Example 1
    02:33
  • Guided course
    Central Limit Theorem
    05:14
  • Guided course
    Sampling Distribution of Sample Mean
    06:53

Introduction to Confidence Intervals

  • Guided course
    Critical Values: z Scores
    04:46
  • Guided course
    Introduction to Confidence Intervals
    06:33

Confidence Intervals for Population Mean

  • Guided course
    Finding t-Values Using a TI-84
    05:47
  • Guided course
    Critical Values: t-Distribution
    05:50
  • Guided course
    Finding Confidence Intervals Using TI-84
    04:30

Steps in Hypothesis Testing

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    Step 4: State Conclusion
    09:56
  • Guided course
    Step 2: Calculate Test Statistic
    06:34
  • Guided course
    Step 1: Write Hypotheses
    06:21

Performing Hypothesis Tests: Means

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    Standard Deviation (σ) Unknown Example 3
    05:55
  • Guided course
    Standard Deviation (σ) Known Example 1
    06:38
  • Guided course
    Standard Deviation (σ) Known
    06:34

Performing Hypothesis Tests: Proportions

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    Performing Hypothesis Tests: Proportions
    05:52
  • Guided course
    Performing Hypothesis Tests: Proportions Example 1
    07:06
  • Guided course
    Performing Hypothesis Tests: Proportions Using TI-84
    03:32

Contingency Tables

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    Contingency Tables & Expected Frequencies
    08:18

Two Proportions

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    Difference in Proportions: Confidence Intervals
    08:09
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    Two Proportions Inferences Using a TI-84 Example 3
    05:32
  • Guided course
    Difference in Proportions: Hypothesis Tests Example 1
    10:28

Two Means - Unknown, Unequal Variance

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    Difference in Means: Hypothesis Tests Example 1
    07:32
  • Guided course
    Difference in Means: Confidence Intervals Using TI-84 Example 4
    03:33
  • Guided course
    Difference in Means: Confidence Intervals
    08:21

Two Means - Unknown, Equal Variance

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    Means Unknown Equal Variances Hypothesis Test Using TI-84
    06:20
  • Guided course
    Means Unknown Equal Variances Hypothesis Test Using TI-84 Example 2
    03:34
  • Guided course
    Means Unknown Equal Variances Hypothesis Test Using TI-84 Example 1
    03:10

Two Means - Known Variance

  • Guided course
    Means Known Variances Hypothesis Test Using TI-84 Example 2
    02:44
  • Guided course
    Means Known Variances Hypothesis Test Using TI-84
    05:05
  • Guided course
    Means Known Variances Hypothesis Test Using TI-84 Example 1
    02:51