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- Beth was tracking her progress improving her keyboarding skills. She tested herself often to check her progress then recorded the highest Number of Words Correct each week. She made the following data tables. Copy and complete the second table with the ordered pairs.
- What is the median number of tests Beth took per week? What is the mean?
- What is the median number of words correct?
- Make a point graph of Beth’s progress using Centimeter Graph Paper. Choose a scale that will leave room to make predictions.
- If the points lie close to a straight line, use a ruler to draw a best-fit line.
- Predict the number of words correct Beth will have on a 180-second (3-minute) test. Explain how you made your estimate.
- Is Beth improving? Explain your reasoning.
- Are any of the numbers in the Number of Words Correct column of the data table prime numbers? If so, which ones? Show or tell how you know.
- What are the factors for the number of words Beth typed correctly in Week 4?
