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.
15
Describe the relationship between the data. Identify any gaps, outliers, or clusters.
No relationship. No outliers or gaps; cluster around (12,16)
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
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)
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
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?
32 male students
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
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
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.
15
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.