Aisha records the distance she runs and her average speed. The results are shown in the scatter diagram. X ☑ 16- x 15- 14- 13- 12- Average speed X 11- (km/h) 10- 9- 8- 7- 6- 0 2 x X 80 7 +7 9 +3 3 4 S5 Distance (km) (a) The table shows the results of four more runs. 69 10 Distance (km) 4.2 5.7 7.1 8.8 Average speed (km/h) 13.4 11.8 9.8 8.3 On the scatter diagram, plot these points. (b) What type of correlation is shown in the scatter diagram? (c) On the scatter diagram, draw a line of best fit. (d) Use your line of best fit to estimate her average speed when she runs a distance of 6 km. km/
Aisha records the distance she runs and her average speed. The results are shown in the scatter diagram. X ☑ 16- x 15- 14- 13- 12- Average speed X 11- (km/h) 10- 9- 8- 7- 6- 0 2 x X 80 7 +7 9 +3 3 4 S5 Distance (km) (a) The table shows the results of four more runs. 69 10 Distance (km) 4.2 5.7 7.1 8.8 Average speed (km/h) 13.4 11.8 9.8 8.3 On the scatter diagram, plot these points. (b) What type of correlation is shown in the scatter diagram? (c) On the scatter diagram, draw a line of best fit. (d) Use your line of best fit to estimate her average speed when she runs a distance of 6 km. km/
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter8: Polynomials
Section8.6: Factoring Quadratic Trinomials
Problem 35PPS
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Transcribed Image Text:Aisha records the distance she runs and her average speed.
The results are shown in the scatter diagram.
X
☑
16-
x
15-
14-
13-
12-
Average speed
X
11-
(km/h)
10-
9-
8-
7-
6-
0
2
x
X
80
7
+7
9
+3
3
4
S5
Distance (km)
(a) The table shows the results of four more runs.
69
10
Distance (km)
4.2
5.7
7.1
8.8
Average speed (km/h) 13.4
11.8
9.8
8.3
On the scatter diagram, plot these points.
(b) What type of correlation is shown in the scatter diagram?
(c) On the scatter diagram, draw a line of best fit.
(d) Use your line of best fit to estimate her average speed when she runs a distance of 6 km.
km/
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