Arctic Glaciers The arctic ice cap has been breaking up. As a result there has been an increase in the number of icebergs floating in the Arctic Ocean. The table gives an iceberg count I for various years t. (Source: NBC News.)
t | 1970 | 1980 | 2000 |
I | 400 | 600 | 1000 |
(a) Make a scatterplot of the data.
(b) Find the slope–intercept form of a line that models the number of icebergs I in year t. Interpret the slope of this line.
(c) Is the line you found in part (b) an exact model for the data in the table?
(d) If this trend continued, what was the iceberg count in 2005?
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