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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 1BGP
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The accompanying table shows eleven altitudes (in thousands of feet) and the speeds of sound (in feet per second) at these altitudes. Complete parts (a) through (d) below.
Click here to view the data table. Click here to view the table of critical values for the Pearson correlation coefficient.
.....
(a) Display the data in a scatter plot. Choose the correct graph below.
- X
p.
VA.
OB.
Data table
1140-
3 55
1140-
Altitude, x
Speed of sound, y O
1116.4
5.
1097.7
940-
-5
Altitude (1000's ft)
55
-5+
940
-5
940
Altitude (1000's ft)
1140
1077.9
10
55
Altitude (1000's ft)
15
1057.1
20
1037.8
(b) Calculate the sample correlation coefficient r.
1015.9
25
30
996.9
35
970.1
(Round to three decimal places as needed.)
967.6
40
45
967.6
50
967.6
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Speed ofsound (t/s)
Transcribed Image Text:The accompanying table shows eleven altitudes (in thousands of feet) and the speeds of sound (in feet per second) at these altitudes. Complete parts (a) through (d) below. Click here to view the data table. Click here to view the table of critical values for the Pearson correlation coefficient. ..... (a) Display the data in a scatter plot. Choose the correct graph below. - X p. VA. OB. Data table 1140- 3 55 1140- Altitude, x Speed of sound, y O 1116.4 5. 1097.7 940- -5 Altitude (1000's ft) 55 -5+ 940 -5 940 Altitude (1000's ft) 1140 1077.9 10 55 Altitude (1000's ft) 15 1057.1 20 1037.8 (b) Calculate the sample correlation coefficient r. 1015.9 25 30 996.9 35 970.1 (Round to three decimal places as needed.) 967.6 40 45 967.6 50 967.6 Print Done Clear all View an example Get more help - Help me solve this 61°F a P Type here to search Speed ofsound (t/s)
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