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Chapter 9 - Day 9

Learning Targets
• Use the four-step process to perform a significance test about a population population.

• Use the four-step process to perform a significance test about a population mean.

Ch. 9 Study Sheet

Chapter 9 Study Sheet

This one-page document will allow students to put all the important formulas and conditions from Chapter 9 all into one place. Once completed, consider asking the following two questions:

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"What is the same for proportions and means?"

• Random condition

• General formula

• one-sample

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"What is different for proportions and means?"

• notation

• Large Counts vs. Normal/Large Sample condtition

• z tests statistic vs. t test statistic

• Specific formula

• Name of the procedures

• How to find P-value

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Four-Step Whiteboard Critique

This is a teaching strategy that we will use several times during the next few chapters. Here is how it works:

1. Assign students a 4-step problem to work on in pairs.

2. Monitor the room to support student learning. As each pair finishes, send them to the white board to write up 1 of the steps STATE, PLAN, DO, or CONCLUDE. The first two pairs should handle the PLAN and the DO because they take the longest to write up.

3. Once all 4 steps are on the board, call the class back together as a group. Ask them to critique the solution on the board as if it were a quiz or test question. Make any revisions with a red marker. This is your opportunity to make clear your expectations for a 4-step problem on an assessment.

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