Question 823822
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perform a linear regression over the sample data:
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5.2	 220
5.5	 227
6.0	 259
5.9	 210
5.8	 224
6.0	 215
5.8	 231
5.6	 268
5.6	 239
5.9	 212
5.4	 410
5.6	 256
5.8	 306
5.5	 259
5.3	 284
5.3	 383
5.7	 271
5.5	 264
5.7      227
5.3	 263
5.9	 232
5.8      220
5.8	 246
5.9	 241
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copy and paste the above sample data in to this linear regression solver:
https://sooeet.com/math/linear-regression.php
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alpha (y-intercept) = 816.818584
beta (slope) = -98.9443742
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slope-intercept form of the regression line:
y(x) = (-98.9443742)x + 816.818584
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answer:
y(4.5) = (-98.9443742)(4.5) + 816.818584
y(4.5) = 371.5689
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Solve and graph linear equations:
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Solve quadratic equations, quadratic formula:
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Solve systems of linear equations up to 6-equations 6-variables:
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