12/6/24 SEMESTER EXAM B

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is the formula for calculating probability?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Front

What does 'standard deviation' represent in statistics?

Back

Standard deviation measures the amount of variation or dispersion in a set of values.

Front

What is a 'combination' in mathematics?

Back

A combination is a selection of items from a larger set where the order does not matter.

Front

What is a 'permutation' in mathematics?

Back

A permutation is an arrangement of items from a set where the order does matter.

Front

How do you calculate the mean of a data set?

Back

Mean = (Sum of all values) / (Number of values)

Front

What is the difference between mean and median?

Back

Mean is the average of a set of numbers, while median is the middle value when the numbers are arranged in order.

Front

What is variance in statistics?

Back

Variance measures how far a set of numbers are spread out from their average value.

Front

What does the symbol 'σ' represent?

Back

The symbol 'σ' represents the standard deviation of a population.

Front

What is an interval in statistics?

Back

An interval is a range of values that can be used to group data.