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Math 219 Test Review on Chapter 1 – 3
Words/Phrases you should know:
 Statistics
 Sampling error
 The process of statistics
 Non-sampling error (8 types discussed in
class)
 Qualitative variable
 Double-blind
 Quantitative variable
 Types of experiments
 Discrete variable
1. Completely randomized design
 Continuous variable
2. Matched-pairs design
 Observational Study
3. Randomized block design
 Sampling
 Frequency distribution
1. Simple random
 Relative frequency
2. Stratified
 Distribution shape
3. Systematic
1. Uniform
4. Cluster
2. Bell-shaped
 Designed Experiment
3. Right-skewed
 Factors in an experiment
4. Left-skewed
 The frame
 Mean
Not just definition but when it is best use this, sample vs.
 Median
population, and how we get distribution shape from them.
 Mode
**Problems to try: pg 53-55 #1-25all, 30-34all, 38, 39, 40
Graphs to be able to draw and read from:
 Bar graph
 Pie chart
 Histogram
 Stem-and-leaf plot
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Frequency polygon (also cumulative
frequency)
Ogive
Time-series graph
Box graph
**Problems to try: pg 113-117 #1,3,5e-h,8(skip d), 15, 17 (1st column only)
Identify graphical misrepresentations
**Problems to try: pg 117 #19, 20 and pg 108 #4
Be able to compute the following:
 Mean
 Median
 Mode
 Variance
 standard deviation
 Thee empirical rule/Chebyshev’s inequality
 Mean (population or sample) from group
data
 Weighted mean
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Variance (population or sample) from group
data
Z-score
Five number summary (median, Q₁, Q₃, min
max)
kth percentile
IQR
Lower/Upper fence
**Problems to try: pg 187 #4, 9a,b,d, 11, 13, 16, 17, 20 and pg 154 #44