The table shows the standard values of temperature at altitudes above sea level, as listed
by the International Civil Aviation Organization.
Altitude (feet) Temperature (°F)
0
59.0
2,000
51.9
4,000
44.7
6,000
37.6
8,000
30.5
10,000
23.3
12,000
16.2
Letr be the correlation coefficient for these data.
Which of these statements best represents the
data shown?
56 57
ta,
height
A. The value of ris 1, and the data can be
represented by a straight line with a slope of 1.
B. The value of ris -1, and the data can be
represented by a straight line with a slope of -1.
C. The value of ris 1, and the data can be
represented by a straight line with a positive
slope.
D. The value of ris -1, and the data can be
represented by a straight line with a negative
slope.