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

What is the least value in a data set?

Back

The least value is the smallest number in the data set.

Front

What is the greatest value in a data set?

Back

The greatest value is the largest number in the data set.

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the least value from the greatest value.

Front

What is the Interquartile Range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set.

Front

How do you find the IQR of a data set?

Back

1. Arrange the data in ascending order. 2. Find Q1 (the median of the first half) and Q3 (the median of the second half). 3. Subtract Q1 from Q3.

Front

What does it mean if a data set has a mode of 18?

Back

It means that the number 18 appears more frequently than any other number in the data set.

Front

If a data set is 11, 3, 14, 2, 13, 7, 5, what is the IQR?

Back

The IQR is 10.

Front

What is the formula for calculating the range?

Back

Range = Greatest Value - Least Value.

Front

What is the significance of the mode in statistics?

Back

The mode helps identify the most common value in a data set, which can be useful in understanding trends.