Overview

Sheet2
raw

Sheet 1: Sheet2
Golf ball Bounce/cm






72 ratio 1. What is the level of measurement?




73 18 2. Find the sample size n.




77 72 3. Find the minimum.




77 109 4. Find the maximum.




77 37 5. Find the range.




78 77 6. Find the mode.




80 82.5 7. Find the median.




81 82.89 8. Find the sample mean x.




82 8.26 9. Find the sample standard deviation sx.




83 0.1 10. Find the sample coefficient of variation CV.




83 -1.32 11. find the z-score for a bounce of 72 cm.




84 ordinary 12. Is a bounce of 72 cm an ordinary or an unusua?




84 3.16 13. z = Find the z-score for a bounce of 109 cm.




86 unusual 14. Is a bounce of 109 cm an ordinary or an unusua?




87






88

Superball Bounce number (x) Bounce height/cm (y)


91

0 100


109

1 82





2 68


Superball Bounce number (x) Bounce height/cm (y)
3 55


1 82
4 45


2 68
5 37


3 55
6 32


4 45
7 28


5 37
8 20


6 32
9 16





10 12





11 10


-10.09 1. Slope
29 0


88.47 2. Intercept
17.87 x = 7, y = ?
8 y = 7.8 cm, x = ?
Initial release height 5.Meaning of y-intercept


















Sheet 2: raw

Drop bounce one bounce two bounce three bounce four bounce five bounce six

100 82 66 57 44 32 35

100 82.5 69 56 43 39 30

100 83 69.5 54 47 34 30

100 82.3
54 46 41






40






38






37








Average 100 82.45 68.17 55.25 45 37.29 31.67
Average ratios
0.82 0.83 0.81 0.81 0.83 0.85










0.82 0.8 0.86 0.77 0.73 1.09


0.83 0.84 0.81 0.77 0.91 0.77


0.83 0.84 0.78 0.87 0.72 0.88
















0.72 72
Bounce number Bounce height


0.73 73
1 82
-10.09
0.77 77
2 68
88.47
0.77 77
3 55 7 17.87
0.77 77
4 45 8 7.78
0.78 78
5 37 9 -2.3
0.8 80
6 32 10 -12.39
0.81 81





0.82 82

0.83 83
0.83 83
0.84 84
0.84 84
0.86 86
0.87 87
0.88 88
0.91 91
1.09 109