6th Grade Statistics

Front

What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data. For example, 'How many cars are in each driveway on your street?' is a statistical question.

Front

What is the median of a data set?

Back

The median is the middle value in a data set when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Front

What does 'gap' mean in statistics?

Back

A gap in a data set refers to a range of values where no data points exist. For example, in the data set 1, 2, 3, 10, there is a gap between 3 and 10.

Front

Identify a gap in the following ranges: 8-10, 9-12, 15-18, 18-19.

Back

The gap is in the range 15-18, as there are no numbers between 12 and 15.

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest value from the largest value in the data set. For example, in the scores 155, 165, 138, 172, 127, 193, 142, the range is 193 - 127 = 66.

Front

What is the mode of a data set?

Back

The mode is the number that appears most frequently in a data set. A data set can have one mode, more than one mode, or no mode at all.

Front

What is a cluster in statistics?

Back

A cluster is a group of data points that are close together in value. For example, in the data set 1, 2, 2, 3, 10, the numbers 1, 2, and 3 form a cluster.

Front

What is a peak in a data set?

Back

A peak is a value that is higher than its neighboring values. In a graph, it appears as a high point.

Front

What does symmetry mean in a data distribution?

Back

Symmetry in a data distribution means that the left side of the distribution is a mirror image of the right side.

Front

What is a data set?

Back

A data set is a collection of related data points or values that can be analyzed to find patterns or insights.