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Statistics Unit 1 Flashcards | StudBud
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Statistics Unit 1
Statistics Unit 1
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Probability and Statistics Unit 1 Review
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
The business box plot has a smaller minimum than the law box plot.
False
True
2
The formula for IQR is
Q4 - Q1
Q1 - Q3
Q3 - Q1
max - min
3
The
______
is resistant to outliers, unlike the
________
which is not resistant.
IQR, mean
median, mean
mean, median
mean, range
4
Standard deviation denoted by “s” measures the spread of the data.
True
False
5
These two graphs are commonly used to describe categorical variables:
bar graph, dot plot
stem-and-leaf plot, dot plot
bar graph, pie chart
pie chart, histogram
6
Which box plot has a larger median (Q2)?
business
law
7
The sum of the observations divided by the number of observations is the
Q3
mean
median
outlier
8
The number of cats that you own is
categorical
quantitative discrete
quantitative continous
categorical discrete
9
These three graphs are commonly used to describe quantitative variables:
histogram, dot plot, bar graph
dot plot, stem-and-leaf, histogram
pie chart, bar graph, histogram
dot plot, histogram, pie chart
10
A sample is the subset of the population for whom you have data for.
True
False
11
The amount of miles that you drive to school is
categorial continous
categorial
quantitative discrete
quantitative continuous
12
You can use these two formulas to find a potential outlier:
Q3 + 1.5 (IQR) and Q1 + 1.5 (IQR)
Q1 - 1.5 (IQR) and Q3 + 1.5 (IQR)
Q1 + 1.5 (IQR) and Q3 - 1.5 (IQR)
Q3 + Q1
13
Predictions are more accurate for larger samples.
False
True
14
The five number summary consists of:
standard deviation, max, min, median, Q3
min, max, Q4, outlier, median
median, mean, Q1, max, min
min, max, Q1, Q2, Q3
15
The formula for range is
max - min
min - max
Q1 - Q3
Q3 - Q4
