Education Standards
OSPI Statistics and Geometry Instructional Task: Road Trip
Overview
This resource was created by the Washington Office of Superintendent of Public Instruction.
Task
OSPI Statistics and Geometry Instructional Task G
Statistics and Geometry; Standards S-ID.6c, Claim 4A; S-ID.6a, Claim 4D
Road Trip
You are traveling around the United States with friends. After spending a day in a town that is above sea level, you plan to spend the next several days in a town that is above sea level.
Draw a line on the scatter plot that fits the data.
- Define the variables you use. Write the coordinates of the points you are using to do your calculations.
- Write an equation for the line you drew.
- Use your equation to determine how many clear days might be expected for a town that is 5000 feet above sea level.
Rubric
Rubric
Question Number | Standard/Claim | Description |
G | S.ID 6c/Claim 4A S.ID 6a/Claim 4D | A 3-point response demonstrates full and complete understanding of the standards and claims by doing all the following:
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A 2-point response demonstrates reasonable understanding of the standards and claims by doing two of the following:
Shows supporting work and writes a number in the interval [125, 145] clear days. | ||
A 1-point response demonstrates partial understanding of the standards and claims by doing one of the following:
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A 0-point response demonstrates almost no understanding of the standards and claims. |
OSPI Statistics and Geometry Instructional Task G Exemplar
OSPI Statistics and Geometry Instructional Task G
Statistics and Geometry; Standards S-ID.6c, Claim 4A; S-ID.6a, Claim 4D
Road Trip
You are traveling around the United States with friends. After spending a day in a town that is above sea level, you plan to spend the next several days in a town that is above sea level.
Draw a line on the scatter plot that fits the data.
- Define the variables you use. Write the coordinates of the points you are using to do your calculations.
- Write an equation for the line you drew.
- Use your equation to determine how many clear days might be expected for a town that is 5000 feet above sea level.
Let be the elevation above sea level and be the mean number of clear days. (3000, 110) and (2000, 95)
days |