A clothing store experimented with the price of blue jeans to see if the price affects the number of pairs sold. The results are shown in the table.
Price vs. Pairs of Blue Jeans Sold
Price ($), x
18
23
25
29
30
33
Pairs sold, y
16
13
10
8
6
2
What is the approximate slope of the line of best fit given by a regression calculator?
A calculator screen. A 2-column table with 6 rows titled Data. Column 1 is labeled x with entries 18, 23, 25, 29, 30, 33. Column 2 is labeled y with entries 16, 13, 10, 8, 6, 2. The linear regression equation is y almost-equals negative 0.905 x + 32.998; r almost-equals negative 0.983.
-0.98
-0.91
0.91
0.98
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