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Exam 1 Flashcards | StudBud
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Exam 1
Exam 1
15 terms
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Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
Which is not a measure of center?
Median
Standard deviation
Mean
Mode
2
True or False: Student ID # is a quantitative variable
True
False
3
Which is a discrete random variable?
Toddler Height
Letter Grade
Blast Radius
Mile Time
4
which symbol represents a sample mean?
s
ฮด
ฮผ
๐-bar
5
True or False: Tire pressure measured in psi is a quantiative variable
False
True
6
How do we deal with outliers?
Leave them in the data set
Remove them
7
Household income follows a very right-skewed distribution. Which measure of center should we use?
Mean
IQR
Mode
Median
8
For a large quantitative data set, which display would be most appropriate?
Stemplot
Dotplot
Histogram
Bar chart
9
True or False: Hair color is a categorical variable
False
True
10
What measure of spread is typically paired with the mean?
Range
Interquartile Range
IQR
Standard Deviation
11
Which is a continuous random variable?
College Major
Style of Bike
Box Jump Height
Number of Cars Owned
12
What is the shape of this probability distribution?
Symmetric
Left-skewed
Bimodal
Right-skewed
13
For a left-skewed distribution, the mean is greater than the median
True
False
14
Which is not one of the components of the Big Picture of Statistics?
Understanding
Producing Data
Probability
Inference
15
What shape would the histogram associated with this boxplot have?
Symmetric
Right-skewed
Left-skewed
Uniform
