Grade 7 Data Clusters Worksheet

Grade 7 Data Clusters Worksheet

Read each question carefully and answer to the best of your ability. Pay close attention to the provided data sets and graphs to identify clusters, gaps, and outliers.

1. Define the following terms in your own words:

a) Data Cluster:

b) Gap:

c) Outlier:

2. Look at the number line below representing students' scores on a math quiz (out of 20).

Which range of scores represents a cluster in the data?

3. Consider the following data set representing the number of books read by students in a month: 2, 3, 3, 4, 5, 5, 5, 6, 15.

a) The cluster in this data set is around the numbers  .

b) The outlier in this data set is  .

c) There is a gap between the numbers   and  .

4. Determine if the following statements are true or false:

a) An outlier is a data point that is much larger or much smaller than most of the other data points.

b) Data clusters always appear at the beginning of a data set.

5. The bar graph below shows the number of hours students spent studying for a test.

a) Describe any clusters you observe in the data.

b) Are there any gaps in the data? If so, where?

c) Do you see any outliers? Explain your reasoning.

6. Create a data set of 10 numbers that includes at least one cluster, one gap, and one outlier. Then, briefly explain each feature.