Mat 1127 Introduction to Statistics
Problem Assignments

Chapter 1 Examining Distributions

Histograms, Stemplots, etc 1, 2, 3, 6, 7, 8, 9, 14

Median and Mean 27, 28, 29

Quartiles, Five-Number Summary, and Boxplots 31, 33

Standard Deviation  34, 36, 41

Normal Distributions 51, 53, 54, 55, 56, 57, 58, 59, 60, 61, 63, 65, 67, 71, 82

 Chapter 2 Relationships

Scatterplots 1, 3, 4, 5, 9, 13, 15

Correlation  18, 19, 20, 23, 25, 29

Least Squares Regression 32, 35, 37, 38, 41, 44, 46

Cautions 57, 59, 61

Chapter 3 Producing Data

1, 3, 5,7, 9, 11, 13, 15, 17, 19, 21, 27, 29, 31, 35, 39, 43, 45, 55, 56, 67

Chapter 4 Sampling Distributions

1, 3, 5, 7, 10, 11, 15, 19, 21, 23, 25, 39, 41, 43, 45, 49, 51, 53

Confidence Intervals

Chapter 6 

1, 3, 5, 7, 9, 11, 21

Chapter 7

1, 2, 3, 4, 7a, 7b, 10, 12b, 15a, 19, 20

Hypothesis Testing

Chapter 6 

25, 26, 27, 29, 31, 33, 35, 37, 39, 41, 43, 52, 53

Chapter 7

7.5, 7.7 c, 7.9, 7.13, 7.17, 7.19, 7.24

Comparison of Two Means

Chapter 7

7.28, 7.31, 7.33, 7.35

Inference for a Population Proportion

Chapter 8

8.1, 8.3, 8.5, 8.9 a, 8.21

Chi-Squares

Chapter 9 Sections 1-2

9.1, 9.3, 9.5, 9.7, 9.9