Your school is ordering custom T-shirts. Th e scatter plot shows the numbers of T-shirts ordered and the cost per shirt. Describe the relationship between the numbers of T-shirts ordered and the cost per T-shirt.
negative linear relationship
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15
A line of fit has been drawn for the scatter plot shown. Write an equation in slope-intercept form for the line of fit.
y = 14x + 478 (sample answer)
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15
Describe the relationship between the data. Identify any gaps, outliers, or clusters.
No relationship. No outliers or gaps; cluster around (12,16)
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15
Choose an appropriate data display for the situation. Explain your reasoning. The percent of votes that each candidate received in an election.
circle graph - shows the data as parts of a whole.
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15
You randomly survey students about participating in the science fair. The two-way table shows the results. How many female students do not participate in the science fair?
15 female students
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banana
Go to last place!
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gold
Win 50 points!
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shark
Other team loses 20 points!
Okay!
lifesaver
Give 20 points!
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15
The table shows the numbers of hours a waitress works and the amounts she earns in tips. How many hours do you expect the waitress to work when she earns $42 in tips?
5.6 hours
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15
Describe the relationship between the data in the scatter plot. Identify any gaps, outliers, or clusters.
Negative linear relationship; outlier at (21,40); no gaps or clusters.
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thief
Give points!
5
10
15
20
25
star
Double points!
Okay!
gift
Win 25 points!
Okay!
banana
Go to last place!
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eraser
Reset score!
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rocket
Go to first place!
Okay!
rocket
Go to first place!
Okay!
banana
Go to last place!
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15
The table shows the revenue (in millions of dollars) for a company over an eight-year period. Assuming this trend continues, how much revenue will there be in year 9?
about 118.8 million
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monster
Reset all scores!
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rocket
Go to first place!
Okay!
shark
Other team loses 10 points!
Okay!
banana
Go to last place!
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15
Choose an appropriate data display for the situation. Explain your reasoning. The number of pairs of shoes sold by a store each week.
line graph - shows the change in the data over time
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15
You randomly survey students about participating in the science fair. The two-way table shows the results. How many male students participate in the science fair?