7th Grade Statistics & Probability

Front

What is the definition of statistics?

Back

Statistics is the study of collecting, analyzing, interpreting, presenting, and organizing data.

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 a sample space in probability?

Back

The sample space is the set of all possible outcomes of a probability experiment.

Front

What is the mean of a set of numbers?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

What is a biased sample?

Back

A biased sample is a sample that does not accurately represent the population from which it is drawn.

Front

What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

Front

What does it mean for an event to be likely?

Back

An event is likely if it has a greater chance of occurring than not occurring.

Front

What is the formula for calculating probability?

Back

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

Front

What is the median of a set of numbers?

Back

The median is the middle value in a list of numbers sorted in ascending order.

Front

What is a mode in statistics?

Back

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