School Improvement in Maryland

Sample Assessments: Each sample assessment item gives an idea of how an assessment item on the MSA might be presented. The items appropriately measure the content of the VSC and may be formatted similarly to those appearing on the MSA; however, these are sample items only and have not appeared on any MSA form.

Standard 4.0 Knowledge of Statistics

Topic A. Data Displays

Indicator 1. Organize and display data

Objective b. Organize and display data to make stem-and-leaf plots

Assessment limit: Use no more than 20 data points and whole numbers (0–999)

Extended Constructed Response (ECR) Item

The owner of a trucking company records the number of miles driven by 15 truck drivers in one week, as shown below.

The owner begins to display the data on a stem-and-leaf plot.

Step A

Complete the stem of the stem-and-leaf plot for the data

Step B

  • Explain why the stem you completed is correct. Use what you know about stem-and-leaf plots in your explanation. Use words, data, and/or symbols.
  • Suppose that the number 369 is added to the data set. Explain how the stem of the stem-and-leaf plot will change. Use words, data, and/or symbols in your explanation.

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Resources for Objective 4.A.1.b:
Thinking Skills | SAMPLE ASSESSMENTS |