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# Quantitative Reasoning: Chapter 5 - Units A/B

## Unit 5A - Fundamentals of Statistics

Tutorials

Important Chapter References

-For Problems 15-20 --- see: Example 1 (pg. 296) and 'Population, Sample, Parameter, and Statistics' video above

-For Problems 21-26 --- see: 'Basic Steps in a Statistical Study' (pg. 296) and Example 2 (pg. 297)

-For Problems 27-34 --- see: 'Common Sampling Methods' (pg. 298), Example 3 (pg. 298-299), and 'Identifying Sampling Method' video above

-For Problems 35-46 --- see: Example 4 (pg. 302), Example 5 (pg. 303), and the 'Observational vs. Experimental Study,' 'Identifying Cases and Controls,' and 'Control Groups: Single Blind vs. Double Blind Studies' videos above

-For Problems 47-50 --- see: Example 6 (pg. 304) and 'Finding the Confidence Interval with Margin of Error' video above

## Unit 5B - Should You Believe a Statistical Study?

Tutorials

Important Chapter References

-For Problems 9-10 --- see: 'Guideline 1' (pg. 309), Example 1 (pg. 309-310)

-For Problems 11-12 --- see: 'Guideline 2' and Example 2 (pg. 310)

-For Problems 13-14 --- see: 'Guideline 3' (pg. 311), Example 3 (pg. 311-312), and 'Sources of Bias' video above

-For Problem 15 --- see: Example 4 (pg. 312)

-For Problem 16 --- see: Example 5 (pg. 312-313)

-For Problems 17-18 --- see: Example 6 (pg. 313)

-For Problems 19-20 --- see: Example 7 (pg. 314)

-For Problems 21-22 --- see: Example 8 (pg. 315)

-For Problems 23-26 --- see: Example 9 (pg.315)

-For Problems 27-34 --- see: 'Sources of Bias' video above

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