Exam Questions – Discrete random variables
These questions are from another board but may help in [...]
Binomial probabilities on a calculator
Some calculators offer the use of calculating binomial probabilities. One [...]
Measuring linear correlation using a calculator
There is a coefficient for measuring the strength of [...]
Expected values E(X²)
I now show you the similarity of the function E(X²) [...]
Exam Questions – Spearman’s Rank Correlation Coefficient
Exam questions will be added at some point when [...]
Spearman’s rank correlation coefficient
Spearman's rank correlation coefficient gives a measure of how well [...]
Probability using permutations and combinations
In this video, I show you how to use permutations [...]
Combining combinations
In this tutorial I extend the work to cover combining [...]
Combinations of n different items
In this tutorial I introduce you to what a [...]
Permutations with restrictions : items must not be together
In this video tutorial I show you how to calculate [...]
Permutations with restrictions : items at the ends
In this video tutorial I show you how to calculate [...]
Permutations with restrictions: letters / items together
In this video tutorial I show you how to calculate [...]
Permutations of repeated letters in a word
In this video tutorial I show you how to calculate [...]
Permutations of r items from n different items
In this tutorial I show you how to calculate how [...]
Permutations of n different items
In this tutorial I show you what we mean by [...]
The expected value, E(X)
Now I show you how to work with the expexted [...]
Calculating least trials before a success
Now I show you how to calculate the least number [...]
Calculating probabilities
Now I show you how to calculate various probabilities you [...]
Geometric distribution
In this video I introduce you to the Geometric distribution [...]
The cumulative distribution function, (c.d.f)
In the next tutorial I introduce you to the cumulative [...]
Finding an observed value x
You can be asked to find an observed value as [...]
Changing the mean
In this tutorial I show you how to handle the [...]
Poisson distribution
In this tutorial I show you what a Poisson Distribution [...]
Mean and variance
In this next tutorial you are shown what the mean [...]
Cumulative probability tables
For p ≤ 0.5 There are tables in most [...]
Binomial distribution
In the first tutorial I show you what a Binomial [...]
Making predictions and reliability of predicted values
In this video I show you how to work out [...]
Interpreting the regression line constants, explanatory and response variables
In this video I show you how to interpret the [...]
Regression
I show you the least squares method, what it is [...]
Product moment correlation coefficient (pmcc)
In this tutorial I show you what the product moment [...]
Correlation
In this tutorial I introduce you to the meaning of [...]
Linear combinations of discrete random variables
E(aX+b) and E(ax-b) In this tutorial I show you [...]
Variance, Var(X)
In this tutorial I show you the meaning of the [...]
Expected values E(X)
In this tutorial I show you the meaning of this [...]
Probability distribution tables
In this tutorial I show you how to construct probability [...]