Altitude, x Speed of sound, y 0 1117.9 5 1096.9 10 1077.1 15 1057.4 20 1036.8 25 1015.1 30 995.6 35 968.3 40 966.7 45 966.7 50 966.7 (a) Display the data in a scatter plot. Choose the correct graph below. (b) Calculate the sample correlation coefficient r. (c) Interpret the correlation. Choose the correct answer below. (d) Use the table of critical values for the Pearson correlation coefficient to make a conclusion about the correlation coefficient. Let α=0.01.
Altitude, x Speed of sound, y
0 1117.9
5 1096.9
10 1077.1
15 1057.4
20 1036.8
25 1015.1
30 995.6
35 968.3
40 966.7
45 966.7
50 966.7
(a) Display the data in a
(b) Calculate the sample
(c) Interpret the correlation. Choose the correct answer below.
(d) Use the table of critical values for the Pearson correlation coefficient to make a conclusion about the correlation coefficient. Let α=0.01.
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