Statistics

Front

What is the range of a data set?

Back

The range is the difference between the largest and smallest values in a data set.

Front

How do you calculate the mean of a data set?

Back

Add all the numbers together and then divide by the total number of values.

Front

What is the median in a data set?

Back

The median is the middle number when the values are arranged in order.

Front

What is an outlier?

Back

An outlier is a value that is significantly higher or lower than the other values in a data set.

Front

What does Q1 represent in a data set?

Back

Q1 is the median of the lower half of the data values.

Front

What is Q2 in statistics?

Back

Q2 is the median of the entire data set.

Front

What is the mode of a data set?

Back

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

Front

How do you find the range of the data set: 7, 1, 6, 9, 4, 6, 2?

Back

The range is 9 - 1 = 8.

Front

What is the difference between mean and median?

Back

Mean is the average, while median is the middle value when data is ordered.

Front

What is the purpose of using statistics?

Back

Statistics help us understand and interpret data.