More on predicting water quality. The researchers who

QUESTION:

More on predicting water quality. The researchers who conducted the study described in the previous exercise also recorded the percent of the watershed area that was forest for each of the streams. TABLE 10.4 Watershed Area (km2 ), Percent Forest, and Index of Biotic Integrity Area Forest IBI Area Forest IBI Area Forest IBI Area Forest IBI Area Forest IBI 21 0 47 29 0 61 31 0 39 32 0 59 34 0 72 34 0 76 49 3 85 52 3 89 2 7 74 70 8 89 6 9 33 28 10 46 21 10 32 59 11 80 69 14 80 47 17 78 8 17 53 8 18 43 58 21 88 54 22 84 10 25 62 57 31 55 18 32 29 19 33 29 39 33 54 49 33 78 9 39 71 5 41 55 14 43 58 9 43 71 23 47 33 31 49 59 18 49 81 16 52 71 21 52 75 32 59 64 10 63 41 26 68 82 9 75 60 54 79 84 12 79 83 21 80 82 27 86 82 23 89 86 26 90 79 16 95 67 26 95 56 26 100 85 28 100 91 These data are also given in Table 10.4. Analyze these data using the questions in the previous exercise as a guide.