slightly left-skewed with a single peak on the 105 - 109 stem and a gap from 84 to 93.
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15
Explain what the dot above â1 represents.
lost one game by 1 goal.
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seesaw
Swap points!
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rocket
Go to first place!
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rocket
Go to first place!
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banana
Go to last place!
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10
What is the frequency of June?
5
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15
What is the percentile for a lamp that lasted 900 hours?
40th
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10
Would it be appropriate to make a pie chart of these data? Explain.
Yes b/c %
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15
Whatâs wrong with Herschelâs dotplot?
stacked in one tall column
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15
Describe the shape of the distribution.
The histogram of average travel times, in minutes, is fairly symmetric with one major peak from 22-25. There are gaps in the 16 to <17 interval, the 19 to <20 i
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15
Which measure of center better describes a typical birthrate? Explain.
The median better summarizes the center of the distribution because the birth rate distribution is skewed to the left.
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10
What is the relative frequency of January?
17.5%
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15
Explain how the mean and median would compare.
The mean will be less than the median because the mean is pulled toward the long tail in this left- skewed distribution.
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15
Find the interquartile range. Interpret this value in context.
5 pairs
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15
In what percent of states is the average travel time at least 20 min?