Case-based Social Statistics

#### CSSS/STAT/SOC 321

The table below gives the readings and Interactivities for the first weeks in sequential order. The dates are approximate only, and we may be behind or in front of them. The “Related Exercises” are things you can do to assess how you are doing. Note that each Unit of CyberStats has self-assess questions that you can do (and then find out the answers).

##### Assigned

Text Sections or CyberStat Units

Interactivities

Related Exercises

(do not hand)

Wednesday Jan 3

Chapter 1: Statistics Success Stories

None

None

Chapter 3: Gathering Useful Data

None

None

Unit A3: Overview of Experiments
and Observational Studies

Uses 1

1 to 5, 36 to 38

Chapter 4: Sampling and Surveys

None

None

Unit A2: Overview of Sampling

None

2, 3, 4, 5

Unit A4: Population vs. Sample

Uses 3

13 to 16 (4.24 in text)

Wednesday

Jan 10

Chapter 2: Turning Data Into Information

None

42, 55, 62

Unit A5: Describing Data Graphically

Basics 2, Exercises 4

22, 64, 66

Unit A6: Describing Data Numerically

Basics Practice 2, Basics 3, Uses 3, Example 1

21, 22

Wednesday

Jan 24

Chapter 5: Relationships between Quantitative Variables

None

1, 17, 19, 22, 29

Unit A7: Scatter Plots - Read over and study Self Assess questions

None

Try Self Assess

Unit A8: Correlation, Describing Bivariate Data

Basics Practice 3, Uses 4

Try Self Assess Exercises 3, 4, 5, 8, 9.

Unit D1: Overview of Linear Modeling

Basics 3

5, 6, 7, 8

Wednesday

Feb 7

Chapter 6: Relationships Between Categorical Variables (6.1-6.4)

None

6.3, 6.12

Unit A9: Describing Categorical Data

None

Try Self Assess Exercises 1, 2, 3, 4, 25, 26, 27.

Wednesday

Feb 14

Chapter 7: Probability

None

14*, 50*, 51, 52

Unit B1: Probability Concepts

Basics Practice 1

Try Self Assess. Exercises 8, 12, 13

Unit B2: Probability Rules

Basics Practice 1 and other (Venn diagrams) helpful for visual learners

Try Self Assess. Exercises 6, 7.

Unit B3: Conditional Probability and Independence

None

Try Self Assess. Exercises 11, 12, 13

Wednesday

Feb 21

Chapter 8: Random Variables (Skip 8.8)

None

5, 22, 28, 53

Unit B5: Random Variables

None

Exercises 5, 6, 7

Unit B6: Expected Values and Variance

Uses 1

Exercises 11, 16 to 19

Unit B7: Binomial Random Variables

Uses 1, Uses Practice 1&2

Exercises 1, 3, 8 to 11

Unit B9: Normal Distribution

Basics 1, Basics 2, Uses 2, Uses 3

Exercises 1 to 3, 23 to 25

Wednesday

Feb 28

Chapter 9: Means and Proportions as Random Variables (Skip 9.7)

None

Exercises 7, 8*, 44*

Chapter 10: Estimating Proportions with Confidence

None

Exercises 12, 23, 25

Unit B11: Sampling Distributions

Uses practice 2

Exercises 3, 4, 5

Unit B12: Central Limit Theorem

Basics practice 1 (2nd interactivity), Basics practice 3, Uses practice 2

Exercises 2, 3, 5, 6, 7, 10, 13 (all are related)

Unit C1: Confidence Intervals - The Concepts

Basics 3

Exercises 1, 2

Unit C7: Tests and Intervals for Proportions (skip material on hypothesis tests)

None

Exercise 11

###### End of CSSS 321

Wednesday

Mar 26

Sections 11.1 to 11.4: Testing Hypotheses about Proportions

None

Exercises (Ch. 11) 12*, 43

Sections 12.1 to 12.4: More about Confidence Intervals

None

Exercises (Ch 12) 17, 42

Sections 13.1 and 13.2: More about Significance Tests

None

Exercises (Ch 13) 3, 5, 40

Unit C2: Confidence Intervals for the Mean

Basics 3

Exercises 1 to 6

Unit C3: The Concepts of Hypothesis Tests

None

Exercises 9, 10

Unit C4: Hypothesis Test for the Mean

Basics 1

Exercises 1 to 8 (all are related)

Unit C6: t-Tests and Intervals

Basics 2 (all three interactivities)

Exercises 16 to 19

Unit C7 (finish from last time)

None

Exercises 21 to 24 (do 22 by hand or with StatCrunch)

Wednesday

Apr 15

Sections 11.5 to 11.7; Section 13.6: What can go wrong in hypothesis testing; types of errors

None

Exercises 11.21, 11.26, 13.29

Sections 12.5 (skip "pooled" methods), 12.6: Confidence intervals for difference in means and difference in proportions

None

Exercises 12.28, 12.30

Sections 13.3 (skip "pooled" t-test), 13.4, 13.5: Tests for difference in means and difference in proportions; Relationship between tests and confidence intervals

None

Exercises 13.10, 13.43

Unit C8: Two Independent Samples (Skip Basics 4, Uses 2)

StatCrunch, used throughout

Exercises 1, 3, 20, 22, 23

Unit C9: Paired Data

StatCrunch, used throughout

Exercises 1 to 6

Wednesday

Apr 22

Chapter 15, Section 15.1 only: The Chi-square Test for Two-Way Tables

None

20

Unit C10: Two-way Tables for Count Data

Uses Practice 1

Try Self Assess Exercises 14, 15, 16.

*Partial answers in back of textbook.

 Contact:or