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12 questions
What is the joint relative frequency for girls who like soccer?
45%
33%
22.5%
64.2%
What is the marginal relative frequency for boys surveyed?
12.5%
55%
45%
35.7%
What is the conditional relative frequency of those liking football, given that they are boys?
25%
45.4%
37.5%
62.5%
Which statement about the class groups is true?
Red has a wider range of scores
Both have the same median
Blue has a greater IQR
Blue has the higher overall average
Which statement about the class groups is true?
Blue has a higher standard deviation
The averages are within 1% of eachother
Red had the lowest score overall
Blue's average is almost 10% higher.
Which is true regarding the income data?
The median income is $47,000
The minimum income is an outlier
The maximum income is an outlier
There are no income outliers
Which term best characterizes "We Be Illin'" sick days data distribution?
Not enough information
Symmetric
Skewed Left
Skewed Right
What is the correlation for the college/income table?
Strong Positve
Weak Positive
No Correlation
Strong Negative Correlation
Which equation for the college/income table most closely matches the best line of fit?
y = 12000x + 15000
y = 4000x + 37000
y = -5000x + 31000
y = 6500x + 23,000
Which terms do not specifically match?
Histograms/Data Intervals
Box Plots/Center & Spread
Dot Plots/Frequency Data
Scatter-plots/Causation
Which is FALSE, given:
54, 80, 93, 71, 84, 60, 76, 80
Standard Deviation = 12.7475
IQR = 15, Minimum = 54
Mean = 74.75 and Median = 78
Range = 39, Maximum = 93
The longer I teach, the grayer my hair gets. Which is most likely?
Positive correlation & causation
Negative correlation & causation
Positive correlation but no causation
Negative correlation with no causation
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