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A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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 Data table OA. O B. 55- 1140- Altitude, x Speed of sound, y 1115.8 5. 1097.9 10 1075.9 -5- 940 Altitude (1000's ft) 940- -5 1140 15 1056.2 55 55 Altitude (1000's ft) 1000's ft) 20 1036.9 25 1014.7 (b) Calculate the sample correlation coefficient r. 30 996.5 35 969.5 r= 40 967.9 (Round to three decimal places as needed.) 45 967.9 (c) Describe the type of correlation, if any, and interpret the correlation in the context of the data. 967.9 50 There is V linear correlation. Interpret the correlation. Choose the correct answer below. Print Done iQ 60°F a P Type here to search ort sc (B4) punosjo peeds (su) punosjo poods
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 Data table OA. O B. 55- 1140- Altitude, x Speed of sound, y 1115.8 5. 1097.9 10 1075.9 -5- 940 Altitude (1000's ft) 940- -5 1140 15 1056.2 55 55 Altitude (1000's ft) 1000's ft) 20 1036.9 25 1014.7 (b) Calculate the sample correlation coefficient r. 30 996.5 35 969.5 r= 40 967.9 (Round to three decimal places as needed.) 45 967.9 (c) Describe the type of correlation, if any, and interpret the correlation in the context of the data. 967.9 50 There is V linear correlation. Interpret the correlation. Choose the correct answer below. Print Done iQ 60°F a P Type here to search ort sc (B4) punosjo peeds (su) punosjo poods
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 tabe 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. O A. OB. OC. OD. 9 55- S 1140- 3 55 S 1140 940 1140 Altitude (1000's ft) * 940- -5 940+ 1140 940 Altitude (1000's ft) Altitude (1000's ft) Altitude (1000's ft) (b) Calculate the sample correlation coefficient r. (Round to three decimal places as needed.) (c) Describe the type of correlation, if any, and interpret the correlation in the context of the data. There is V linear correlation. Interpret the-correlation. Choose the correct answ below. 60°F P Type here to search Speed ofsound (A/s) Speed ofsound (f/a) (eu) punosjo poodg
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 tabe 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. O A. OB. OC. OD. 9 55- S 1140- 3 55 S 1140 940 1140 Altitude (1000's ft) * 940- -5 940+ 1140 940 Altitude (1000's ft) Altitude (1000's ft) Altitude (1000's ft) (b) Calculate the sample correlation coefficient r. (Round to three decimal places as needed.) (c) Describe the type of correlation, if any, and interpret the correlation in the context of the data. There is V linear correlation. Interpret the-correlation. Choose the correct answ below. 60°F P Type here to search Speed ofsound (A/s) Speed ofsound (f/a) (eu) punosjo poodg
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