STA 2023 – Exam 1 Review
The following topics will be focuses of the upcoming exam. Some questions will come
from a general understanding of course material that are not necessarily specified in any
of the topics. You should read and review all lecture notes, quizzes, homework, review
problems and chapters 1-6 of the text.
Chapter 2
Identify the 5W+H (who, what, when, where, why, and how) of a situation
Determine whether a variable is categorical or quantitative
Chapter 3
Create and read frequency table of categorical data
Create and read pie graph
Create and read bar chart
Read contingency table and calculate percent from table
Determine independence of variables
Chapter 4
Create and read frequency table of quantitative data
Create and read histogram
Describe the shape (modality, symmetry/skew, and outliers) of a distribution
Compare distributions
Chapter 5
Understand and calculate measures of center (midrange, median, and mean)
Understand and calculate measures of spread (range, IQR, and standard deviation)
Create and read 5-number summary
Create, read, and compare boxplots
Chapter 6
Understand the Normal model and when it is appropriate to use one
Understand shifting and rescaling data
Calculate and interpret z-score
Understand the 68-95-99.7 Rule and use it to draw and label a Normal distribution
Calculate percent and percentile from values (normalcdf)
Calculate values from percent and percentile (invNorm)
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Optional Review Problems (pages 105-113)
3, 5, 6, 8, 9, 12, 19, 21, 29