5. Functions & Linear Relationships
5.09 Fitted functions
Adaptive
Worksheet
Interactive practice questions
Consider the data shown in the table.
| $x$x | $7$7 | $12$12 | $17$17 | $22$22 | $27$27 | $32$32 | $37$37 |
|---|---|---|---|---|---|---|---|
| $y$y | $29$29 | $28$28 | $27$27 | $31$31 | $15$15 | $14$14 | $3$3 |
a
Create a scatter plot for the data set.
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b
Some different linear functions are plotted alongside the data points.
Which of the following functions best fits that data?
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A
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B
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C
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D
c
Using the line of best fit found in the previous part, which of the following $y$y-values is most reasonable to expect when $x=23$x=23?
$y=25$y=25
A
$y=15$y=15
B
$y=10$y=10
C
$y=20$y=20
D
Easy
1min
Consider the data shown in the table.
Easy
1min
The average monthly temperature and the average wind speed in a particular location was plotted over several months. The graph shows the points for each month’s data and their line of best fit.
Easy
< 1min
The scatter diagram shows the number of restaurants in a city over time.
Easy
< 1min
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