Statistics

Find curated exercises on statistics. Starting with descriptive statistics and inferential statistics up to regression and evidential statistics.

Below you find a list of all the lessons and exercises on statistics, that are open or will be released with an open license. These materials have been created by Grasple over the past five years in collaboration with different universities. All of these will be released with an open Creative Commons license in the coming months. To access materials that are not yet CC licensed, you can create a free teacher account.

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  •   Indicates whether a lesson/explanation is available per subject
  • 10  Indicates if and how many exercises are currently available per subject
  •   Content has an open Creative Commons license
  • cc  Content will be released with an open Creative Commons license in the near future

Inferential Statistics

  • 5 cc Sampling Distribution
  • 11 cc The Three Distributions
  • 5 cc Standard Deviation of a Sample
  • 16 cc Standard Error
  • 11 cc Normal Distribution
  • 12 cc Central Limit Theorem

Statistical Estimation

  • 8 cc Point Versus Interval Estimates
  • 10 cc Confidence Intervals for the Mean (conceptual)
  • 10 cc Student's t-Distribution (conceptual)
  • 5 cc t-Distribution

Hypothesis Testing

  • 9 cc Hypothesis Testing (conceptual)
  • 7 cc Type-I and Type-II Errors
  • 9 cc P-Value (conceptual)
  • 12 cc P-Value and Calculations
  • 11 cc Power
  • 9 cc Choosing a Suitable Statistical Test

Statistical Tests

  • 9 cc t-Test 1 Sample
  • 12 cc t-Test 2 Samples
  • 11 cc F-Test
  • 5 cc t-Test 2 Samples: Equal Variances
  • 6 cc t-Test 2 Samples: Unequal Variances
  • 6 cc t-Test 2 Samples: Paired Samples
  • 6 cc ANOVA
  • 14 cc ANOVA Calculations
  • 10 cc F-Table

Z-Score

  • 19 cc Z-Score
  • 14 cc Value to Probability
  • 14 cc Probability to Value
  • 11 cc Z-Table
  • 6 cc Probability Intervals

Z-Test

  • 5 cc Z-score to Z-test
  • 8 cc Z-test
  • 27 cc Calculate confidence Intervals using Z-distribution

Relations (interval/ratio)

  • 7 cc Relations
  • 7 cc Pearson's r
  • 6 cc Correlation vs Causation
  • 10 cc Covariance
  • 8 cc Testing Pearson's r

Relations (nominal/ordinal)

  • 11 cc Chi-Squared GOF
  • 10 cc Chi-Squared for Independence
  • 12 cc Cramer's V

Regression

  • 13 cc Linear Regression
  • 12 cc Regression Equation
  • 12 cc Testing Regression Coefficients
  • 9 cc Regression Confidence Interval

SPSS

  • 16 cc Intro SPSS
  • 12 cc SPSS: First Visualizations
  • 10 cc Manual Data Entry in SPSS
  • 13 cc Importing Data in SPSS
  • 10 cc More Visualisations in SPSS
  • 10 cc Frequency Tables in SPSS
  • 15 cc Descriptive Statistics in SPSS
  • 21 cc Chi-Squared for Independence in SPSS
  • 10 cc Coding in SPSS
  • 10 cc Recoding in SPSS

Evidential Statistics

  • 8 cc Effect Size
  • 9 cc Cohen's d
  • 7 cc Forest Plot

Clinical Measures

  • 4 cc Minimal Detectable Change (MDC)
  • 3 cc Minimal Clinically Important Difference (MCID)
  • 7 cc Odds Ratio

Other

  • 4 cc Kolmogorov-Smirnov Test
  • 6 cc Given Power, Calculate Sample Size
  • 4 cc Prediction Intervals versus Confidence Intervals
  • 18 cc NHST Procedure
  • 7 cc Hypotheses
  • 5 cc Statistical Significance

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