Solution 34575: Calculating Y-Hat Values on the TI-84 Plus

The line of best fit is described by the equation ลท = bX + a, where b is the slope of the line and a is the intercept (i.e., the value of Y when X = 0). This calculator will determine the values of b and

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If you are between gauges and/or sizes, multiply your gauge times hat size in inches, then look in the gauge rows on either side of your gauge to find the closest cast-on number.

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Linear regression calculator

We can use this regression equation to estimate the score of a given student based on the number of hours they studied. For example, a student who studies for 3 hours is

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