Fall Final Exam for Prob/Stats

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

How do you calculate the range of the data set: 5, 9, 12, 11, 2, 4, 9, 8?

Back

Range = Highest value - Lowest value = 12 - 2 = 10.

Front

What is a tree diagram?

Back

A tree diagram is a visual representation that shows all possible combinations of a set of items.

Front

What does a tree diagram for color and size combinations of handbags look like?

Back

It shows combinations of black and white colors with small and large sizes.

Front

What is a permutation?

Back

A permutation is an arrangement of items where the order matters.

Front

What is a combination?

Back

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

Front

What is the mode of a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

What is the mode of the data set: 19, 30, 27, 18, 19, 18, 19, 20, 29?

Back

The mode is 19, as it appears most frequently.

Front

What is inferential statistics?

Back

Inferential statistics involves using a sample of data to make inferences or predictions about a population.

Front

Does inferential statistics use probability?

Back

True, inferential statistics relies on probability to make predictions.