Ib Studies Linear Regression Paper

Topics: Prime number, 5th millennium, Scatter plot Pages: 3 (568 words) Published: November 16, 2011
Title - People Measurements in IB Math Studies
Introduction
The task was to gather the conclusive data from both 1st and 6th period IB Math Studies classes in the terms of each student’s separate data in the areas of height (measured in inches), shoe size, and arm span, also in inches. Data

| Height in inches, x| Arm span in inches, y| x * y| x^2| | 64| 66.5| 4256| 4096|
| 63| 68| 4284| 3969|
| 63| 64.7| 4076.1| 3969|
| 61| 63| 3843| 3721|
| 66| 66.5| 4389| 4356|
| 66| 62| 4092| 4356|
| 69| 69| 4761| 4761|
| 67| 65| 4355| 4489|
| 71| 70| 4970| 5041|
| 72| 71| 5112| 5184|
| 59| 60| 3540| 3481|
| 64| 62| 3968| 4096|
| 65| 68| 4420| 4225|
| 70| 70| 4900| 4900|
| 62| 54| 3348| 3844|
| 67| 68.5| 4589.5| 4489|
| 64| 65| 4160| 4096|
| 71| 72.5| 5147.5| 5041|
| 69| 71| 4899| 4761|
| 72| 74| 5328| 5184|
| 63.5| 66| 4191| 4032.25|
| 63| 66| 4158| 3969|
| 70| 75| 5250| 4900|
| 66| 68| 4488| 4356|
| 68| 70| 4760| 4624|
| 63| 63| 3969| 3969|
| 61| 60| 3660| 3721|
| 72| 71| 5112| 5184|
| 63| 63| 3969| 3969|
| 64| 64| 4096| 4096|
| 68| 60| 4080| 4624|
| 71| 74| 5254| 5041|
| 65| 69| 4485| 4225|
| 63| 59| 3717| 3969|
| 64| 61| 3904| 4096|
| 66| 66.5| 4389| 4356|
| 67| 64| 4288| 4489|
| 63| 64.5| 4063.5| 3969|
| 64| 64.5| 4128| 4096|
| 62| 61| 3782| 3844|
| 63| 58| 3654| 3969|
| 66| 66| 4356| 4356|
| 62| 64| 3968| 3844|
| 63| 65| 4095| 3969|
| 68| 60| 4080| 4624|
| 64| 65| 4160| 4096|
| 63| 62| 3906| 3969|
| 66| 67| 4422| 4356|
| 62| 64| 3968| 3844|
| 65| 66| 4290| 4225|
| | | | |
Sum| 3273.5| 3277.2| 215080.6| 214840.3|
Mean| 65.47| 65.544| | |
Covariance| 522.316| | | |
S²X| 524.205| | | |...
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