Mixed Math Worksheets With Answer Key Page 10
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10ID: A
10. a. 2013
b. 325 hybrid vehicles
c. positive linear relationship
11. positive relationship
12. positive relationship
13. a. negative linear relationship
b. $6000
c. Example answers
Sales are low when the temperatures are low because the prices for the clothing is too high.
Sales are high when the temperatures are high because the stores are having a sale.
14. a. 2.5 h
b. $80
c. There is a positive relationship between hours worked and earnings.
15. positive relationship
16. The joint frequencies are the entries in the two-way table that differentiate the two categories of data
collected; The marginal frequencies are the sums of the rows and columns of the two-way table.
17. yes; The dot plot shows the number of miles walked.
18. yes; The bar graph shows the number of miles walked each day of the week.
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