Asks to determine whether or not 6 statements are propositions or not i.e. we can determine a truth value or not.

One question on determining whether statements are propositions.

Four questions on find truth tables for various logical expressions.

Paired t-test to see if there is a difference between times take in a task.

angle between two vectors

rebelmaths

Add two numbers. Sometimes one of them is negative.

Cramers Rule applied to 3 simultaneous equations

Given vectors $\boldsymbol{A,\;B}$, find $\boldsymbol{A\times B}$

Add two numbers. Sometimes one of them is negative.

Adding stuff

This question tests the student's ability to solve simple linear equations by elimination. Part a) involves only having to manipulate one equation in order to solve, and part b) involves having to manipulate both equations in order to solve. 

This is a practise exam. 

Mając dane dwie liczby oblicz ich sumę.

No description given

Two-way ANOVA example, 5 subjects, 4 treatments.

Show a list of the factors of a number.

Works by testing each number up to $n$ for divisibility by $n$, so won't do well with really big numbers. Certainly fast enough for numbers up to 4 or 5 digits.

Provided with information on a sample with sample mean and standard deviation, but no information on the population variance, use the t test to either accept or reject a given null hypothesis.

Provided with information on a sample with sample mean and standard deviation, but no information on the population variance, use the t test to either accept or reject a given null hypothesis.

Provided with information on a sample with sample mean and standard deviation, but no information on the population variance, use the t test to either accept or reject a given null hypothesis.

Provided with information on a sample with sample mean and standard deviation, but no information on the population variance, use the t test to either accept or reject a given null hypothesis.

Provided with information on a sample with sample mean and standard deviation, but no information on the population variance, use the t test to either accept or reject a given null hypothesis.

6 questions which introduce the user to the Numbas system.

A test of basic concepts to do with SI units and concentrations of solutions.

No description given

Multiplication and addition of complex numbers. Four parts.

This question provides a list of data to the student. They are asked to find the mean, median, mode and range.

Converting base 10 Integers in another base (from 2 to 9)

Arithmetic operations involving fractions; converting between decimals and fractions; deciding if fractions are equivalent.

Given the probabilities that each of four out of five friends will win a round of mini-golf, work out the probability that the fifth friend won't win, then use that to find the probability that they will win.

Calculate relative frequencies in a variety of scenarios.

Compute the experimental probability of a particular score on a die given a sample of throws, and compare it with the theoretical probability.

The last part asks what you expect to happen to the experimental probability as the sample size increases.