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Foundations of Statistics: The Research Process, Data, and Statistical Thinking

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Intro to Stats

  • Percorso guidato
    Types of Data
    04:24
  • Percorso guidato
    Parameters vs. Statistics
    05:53
  • Percorso guidato
    Introduction to Statistics Channel
    2:13

Levels of Measurement

  • Percorso guidato
    Levels of Measurement
    06:52
  • Percorso guidato
    Levels of Measurement Example 1
    02:46
  • Percorso guidato
    Levels of Measurement Example 2
    02:46

Intro to Collecting Data

  • Percorso guidato
    Introduction to Collecting Data
    4:01

Sampling Methods

  • Percorso guidato
    Sampling Methods Example 2
    03:07
  • Percorso guidato
    Simple Random Sampling Example 1
    01:30
  • Percorso guidato
    Sampling Methods
    05:27

Frequency Distributions

  • Percorso guidato
    Intro to Frequency Distributions Example 1
    06:19
  • Percorso guidato
    How to Create Frequency Distributions
    06:29
  • Percorso guidato
    Intro to Frequency Distributions
    06:38

Mean

  • Percorso guidato
    Calculating the Mean
    04:52
  • Percorso guidato
    Calculating the Mean Example 1
    03:08

Median

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

Mode

  • Percorso guidato
    Mode
    03:20

Standard Deviation

  • Percorso guidato
    Calculating Standard Deviation
    08:45
  • Percorso guidato
    Calculating Standard Deviation Example 1
    02:59

Interpreting Standard Deviation

  • Percorso guidato
    Empirical Rule of Standard Deviation and Range Rule of Thumb Example 1
    05:42
  • Percorso guidato
    Empirical Rule of Standard Deviation and Range Rule of Thumb Example 2
    01:56
  • Percorso guidato
    Empirical Rule of Standard Deviation and Range Rule of Thumb
    07:10

Percentiles & Quartiles

  • Percorso guidato
    Percentiles and Quartiles Example 1
    04:30
  • Percorso guidato
    Percentiles and Quartiles
    07:11

Confidence Intervals for Population Mean

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

Confidence Intervals for Population Means - Excel

  • Percorso guidato
    Finding Confidence Intervals for Means (Sigma Unknown)
    06:50
  • Percorso guidato
    Finding Confidence Intervals for Means (Sigma Known)
    06:12
  • Percorso guidato
    Finding Confidence Intervals for Means (Sigma Known) Example 1
    06:16

Steps in Hypothesis Testing

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

Performing Hypothesis Tests: Means

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

Hypothesis Testing: Means - Excel

  • Percorso guidato
    Performing Hypothesis Tests: Mean Sigma Known - Excel Example 1
    04:28
  • Percorso guidato
    Performing Hypothesis Tests: Mean Sigma Known - Excel
    05:10
  • Percorso guidato
    Performing Hypothesis Tests: Mean Sigma Unknown - Excel Example 4
    09:06

Type I & Type II Errors

  • Percorso guidato
    Type I & Type II Errors Example 1
    03:21
  • Percorso guidato
    Type I & Type II Errors
    06:02

Scatterplots & Intro to Correlation

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

Correlation Coefficient

  • Percorso guidato
    Correlation Coefficient
    05:43
  • Percorso guidato
    Calculating Correlation Coefficient - Graphing Calculator
    04:40
  • Percorso guidato
    Calculating Correlation Coefficient - Graphing Calculator Example 1
    03:44

Hypothesis Tests for Correlation Coefficient Using TI-84

  • Percorso guidato
    Hypothesis Tests for Correlation Coefficient Using TI-84 Example 1
    03:39
  • Percorso guidato
    Hypothesis Tests for Correlation Coefficient Using TI-84
    05:28
  • Percorso guidato
    Hypothesis Tests for Correlation Coefficient Using TI-84 Example 2
    06:24

Inferences for the Correlation Coefficient - Excel

  • Percorso guidato
    Inferences for Correlation Coefficient - Excel
    05:45
  • Percorso guidato
    Inferences for Correlation Coefficient - Excel Example 1
    05:40

Linear Regression & Least Squares Method

  • Percorso guidato
    Using Regression Lines to Predict Values
    04:57
  • Percorso guidato
    Intro to Least Squares Regression Example 1
    05:02
  • Percorso guidato
    Intro to Least Squares Regression
    07:01

Goodness of Fit Test

  • Percorso guidato
    Goodness of Fit Test: Unequal Probabilities
    05:24
  • Percorso guidato
    Goodness of Fit Test Example 1
    08:49
  • Percorso guidato
    Goodness of Fit Test
    10:17

Chi Square Distribution

  • Percorso guidato
    Critical Values: Chi Square Distribution Example 2
    05:18
  • Percorso guidato
    Critical Values: Chi Square Distribution Example 1
    03:55
  • Percorso guidato
    Critical Values: Chi Square Distribution
    05:39

Confidence Intervals for Population Proportion

  • Percorso guidato
    Constructing Confidence Intervals for Proportions Example 1
    06:38
  • Percorso guidato
    Finding the Minimum Sample Size Needed for a Confidence Interval
    04:08
  • Percorso guidato
    Constructing Confidence Intervals for Proportions Example 2
    04:24

Confidence Intervals for Population Proportion - Excel

  • Percorso guidato
    Confidence Intervals for Population Prortion - Excel Example 1
    05:49
  • Percorso guidato
    Confidence Intervals for Population Prortion - Excel
    06:57

Basic Concepts of Probability

  • Percorso guidato
    Introduction to Probability
    5:37

Bayes' Theorem

  • Percorso guidato
    Bayes' Theorem Example 1
    02:32
  • Percorso guidato
    Bayes' Theorem
    05:10

Performing Hypothesis Tests: Proportions

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

Hypothesis Testing: Proportions - Excel

  • Percorso guidato
    Performing Hypothesis Tests: Proportions - Excel
    08:19
  • Percorso guidato
    Performing Hypothesis Tests: Proportions - Excel Example 1
    08:31
  • Percorso guidato
    Performing Hypothesis Tests: Proportions - Excel Example 2
    10:24