Probability and Statistics

Front

What is the mode in a data set?

Back

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

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign.

Front

Can a data set have more than one mode?

Back

Yes, a data set can have multiple modes if there are multiple values that appear with the same highest frequency.

Front

What is the probability of an event?

Back

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

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the numbers in the data set and divide by the total number of values.

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the entire group.

Front

What is the difference between population and sample?

Back

A population includes all members of a specified group, while a sample is a part of the population.

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a data set.

Front

What is a histogram?

Back

A histogram is a graphical representation of the frequency distribution of numerical data.