# Resources by DISCUS

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### Binomial Distribution

The workbook contains a number of simulations designed to aid students understanding of the Binomial distribution.

Binomial distribution: simulated tossing a coin ten times. The probability of achieving 0,1,2… heads is calculated and displayed in a frequency table and a bar chart. The...

### Continuous Distribution

The activities in this workbook are designed to help students understand the Normal distribution, the student's t-distribution, the Chi-squared distribution, the F-distribution, the Exponential distribution, the Beta distribution, the Gamma distribution and the Weibull distribution.

For each distribution...

### Descriptive Statistics

This resource is designed to help students understand:

• Different averages: the mean and the median.

• Measures of spread: the standard deviation and the interquartile range.

• Statistical diagrams: histograms and boxplots.

Self teaching notes and questions are contained on the work...

### Discovering Important Statistical Concepts using Spreadsheets (DISCUS)

DISCUS consists of eight Excel workbooks and a set of associated photocopiable work cards covering the topics: Descriptive Statistics, Probability, Binomial Distributions, The Poisson Distribution, Continuous Distributions, Sampling, Regression and Hypothesis Testing. The materials are designed to be used off the...

### Hypothesis Testing

The activities in this workbook cover the ideas of statistical significance, type I and type II errors and the power of a test. The relationship between power and significance in the context of tests of means is considered and the final spreadsheet shows how to conduct a chi-squared test of association in a...

### Probability

The workbook contains two simulations designed to help students to understand what is meant by a random process and to give some idea of the likelihood of particular events occurring.

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### Regression

These activities cover bivariate data which includes regression and correlation.

[b]Least squares regression[/b] spreadsheet is designed to help students get a feel for drawing a line of best fit through a set of points and to begin to understand the concept of regression. Students are given a set of six...

### Sampling

The activities in this workbook are designed to help students to understand what happens when a sample is taken, how to calculate the confidence interval for a mean and what this interval represents.

The first three spreadsheets consider samples taken from a normal distribution, a uniform distribution and an...

### The Poisson Distribution

The workbook contains a number of simulations designed to aid students understanding of the Poisson distribution.

[b]Queuing simulation:[/b] is designed to introduce the Poisson distribution through a realistic application, that of simulating a supermarket checkout queue. Students choose the number of people...