Front

What is the definition of range in 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 for the set of numbers: 2, 5, 9, 3, 5, 4?

Back

Range = Highest value - Lowest value = 9 - 2 = 7.

Front

What is the definition of median in a data set?

Back

The median is the middle value when the numbers are arranged in order.

Front

How do you find the median for the data set: {-4,-3,-2,-1,0,1,6,7,8,8,9,9,9,10,10,10,10,11,11,11,12,12,13,14}?

Back

Arrange the data in order and find the middle value. The median is 9.

Front

What is the definition of mode in a data set?

Back

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

Front

What is the mode of the set of numbers: 12, 9, 20, 9, 10?

Back

The mode is 9, as it appears most frequently.

Front

What is the definition of quartiles in a data set?

Back

Quartiles are values that divide a data set into four equal parts.

Front

What is Q3 in a data set?

Back

Q3 is the median of the second half of the data.

Front

How do you calculate the range for the set of numbers: 12, 9, 20, 9, 10?

Back

Range = Highest value - Lowest value = 20 - 9 = 11.

Front

What is the formula for calculating the mean of a data set?

Back

Mean = (Sum of all values) / (Number of values).