MA145-B Exam 1 Skill Inventory


Chapter 1 - Collecting Data

You should be able to recognize the definitions of the following terms:

TermReference in Text (Sullivan)
statistics p.2
descriptive statistics p.2
inferential statistics p.2
placebo p.3
experimental group p.3
control group p.3
double-blind p.3
qualitative variable p.4
quantitative variable p.4
discrete variable p.5
continuous variable p.5
census p.9
observational study p.10
designed experiment p.10, p.31
experimental unit p.10
response variable p.10
lurking variable p.11
simple random sample p.12
frame p.13
stratified sample p.19
systematic sample p.20
cluster sample p.21
convenience sample p.22
nonsampling errors p.26
sampling errors p.26
completely randomized design p.34
matched pairs design p.34

In addition, you should be able to:


Chapter 2 - Organizing and Summarizing Data

You should be able to recognize the definitions of the following terms:

TermReference in Text (Sullivan)
frequency distribution p.40
relative frequency p.41
relative frequency distribution p.41
bar graph p.43
pareto chart p.44
side-by-side bar graph p.45
pie chart p.46
histogram p.56
stem-and-leaf plot p.60
uniform distribution p.63
bell-shaped distribution p.63
skewed right p.63
skewed left p.63
time series plot p.64

In addition, you should be able to:


Chapter 3 - Numerically Summarizing Data

You should be able to recognize the definitions of the following terms:

TermReference in Text (Sullivan)
parameter p.84
statistic p.84
population (arithmetic) mean p.85
sample (arithmetic) mean p.85
median p.87
mode p.89
measure of central tendency p.84
measure of dispersion p.100
the range p.101
population variance p.102
sample variance p.102
population standard deviation p.105
sample standard deviation p.105
the empirical rule p.107
measure of position p.122
population Z-score p.122
sample Z-score p.122
percentile p.123
quartiles p.125
interquartile range p.127
outlier p.127
lower fence p.133
upper fence p.133
exploratory data analysis p.132
five number summary p.132
box plot p.133

In addition, you should be able to:

In general, you do not have to memorize formulas (for the mean, variance, standard deviation, percentile, etc.). You should be able to determine percentiles, including the median and quartiles, from the Rank and Percentile output of a spreadsheet program. You should be able to determine the maximum and minimum values from the Rank and Percentile output as well.