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5. The table below presents the joint probability distribution of reading speed (word per minute) and levels of comprehension (percent of text understood) obtained from a sample of 200 readers. Reading Speed 200 400 600 20% 0.05 0.05 0.01 Comprehension 60% 0.03 0.30 0.14 85% 0.02 0.25 0.15 i. Create the marginal probability distributions from the above table. ii. Calculate the expected values and standard deviation. iii. Calculate the correlation between the two variables. Interpret your answer.

5. The table below presents the joint probability distribution of reading speed (word per minute) and levels of comprehension (percent of text understood) obtained from a sample of 200 readers. Reading Speed 200 400 600 20% 0.05 0.05 0.01 Comprehension 60% 0.03 0.30 0.14 85% 0.02 0.25 0.15 i. Create the marginal probability distributions from the above table. ii. Calculate the expected values and standard deviation. iii. Calculate the correlation between the two variables. Interpret your answer.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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5. The table below presents the joint probability distribution of reading speed (word per minute) and levels of comprehension (percent of text understood) obtained from a sample of 200 readers. Reading Speed 200 400 600 20% 0.05 0.05 0.01 Comprehension 60% 0.03 0.30 0.14 85% 0.02 0.25 0.15 i. Create the marginal probability distributions from the above table. ii. Calculate the expected values and standard deviation. iii. Calculate the correlation between the two variables. Interpret your answer.
Transcribed Image Text:5. The table below presents the joint probability distribution of reading speed (word per minute) and levels of comprehension (percent of text understood) obtained from a sample of 200 readers. Reading Speed 200 400 600 20% 0.05 0.05 0.01 Comprehension 60% 0.03 0.30 0.14 85% 0.02 0.25 0.15 i. Create the marginal probability distributions from the above table. ii. Calculate the expected values and standard deviation. iii. Calculate the correlation between the two variables. Interpret your answer.
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