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Stats Warm-up Flashcards | StudBud
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Stats Warm-up
Stats Warm-up
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StudBud Administration
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Ready to roll with statistics
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
What do we call a graph that looks like a hill or bell?
Bell Curve
Pie Chart
Histogram
Bar Chart
2
What is the mean of these numbers: 2, 4, 6, 8, 10?
6
7
8
5
3
Which measure of central tendency is most affected by outliers?
Mode
Standard Deviation
Median
Mean
4
When the mean, median, and mode are all equal, the distribution is...
Normal
Linear
Homogeneous
Uniform
5
Which of these is NOT a measure in statistics?
Variance
Skewness
Kurtosis
Randomosity
6
What does a high standard deviation indicate?
There’s a lot of variability
The mean is higher than the median
Data are skewed to the right
Data is skewed to the left
7
Which is an example of categorical data?
Favorite Color
Age
Height
Weight
8
What does standard deviation measure?
Tallest bar in a chart
Middle number
Number of modes
How spread out the data is
9
Which sampling method gives every individual an equal chance of being selected?
Random Sampling
Systematic Sampling
Convenience Sampling
Cluster Sampling
10
What is the mode of this set: 3, 3, 6, 9, 9, 9, 10?
6
3
10
9
11
Which of these is a continuous variable?
Height in cm
Number of Students
Eye Color
Shoe Size
12
If your data is
skewed right
, the mean is likely...
Greater than the median
Equal to the mode
Always zero
Less than the median
13
The sum of all probabilities in a probability distribution must equal…
Depends on the sample size
0.5
1
0
14
The area under a probability density curve is always equal to...
1
Range
Median
0.05
15
In a normal distribution, what percentage falls within 1 standard deviation?
0.05%
1%
68%
35%
