Welcome Back!
Please remember that you will see Coffee Prices Part 1 in Monday's grade slot for this trimester.
Assignment: Coffee Prices Part 2 - Link!
You will notice some similarities and some differences between this worksheet and Coffee Prices Part 1. The main difference, of course, is that this table gives you the amount of the increase or decrease, NOT the price of the coffee per pound. You will have to figure out the actual price each month to graph.
*This is an accumulative total; do not go back to the original $3.10 every time, keep building on (or taking away from) the price each month.
*It is indeed safe to start your graph at $3.10. Although you will be adding and subtracting values, the price of coffee will never dip below $3.10.
*You do not "need" to draw in the mean line, but you will draw the line of best fit, The line of best fit represents how YOU think of it, not the fancy algorithmic value. You may draw in the mean line if you want to compare the two though. ;-)
Get used to thinking about those negative values and how they work in the big picture ... the concept is much easier than the equations themselves, but the better you understand how they work, the easier they will be.
PLEASE USE A RULER TO MAKE YOUR LINES.
Due Tuesday
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