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    Explain what it means when a correlation has an r 2 of 0.72.

    It means that 72% of the variation in the dependent variable ( y ) can be explained by the variation in the independent variable ( x ).

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Questions & Answers

what is the test hpothesis of 100 students from five schools using instructional materials
ngozi Reply
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ngozi
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1. Six (6) “Yes” and “No” questions were modelled for fifty randomly selected student in a class. a) What is the probability that a student will get at least three (3) questions correct? b) What is the probability that a student will get all the questions correct? c) How may students are expected to get three (3) or more question correct
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The “average increase” for all NASDAQ stocks is the
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Find the probability that an Emotional Health Index Score is between 80.5 and 82?
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Calaulate the radins of gyration (k for the shaded aren about the vas. (Dimemions in mm) +y- 50
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Phone lines on an airline system are occupied 50% of time assume that 10 calls are placed to the airline. What is the probability at least 1 call the lines are occupied?
Highness Reply
Phone lines on an airline system are occupied 50% of time assume that 10 calls are placed to the airline. What is the probability at least 1 call the lines are occupied?
Highness Reply
Why is the method of selecting the sample even more important than the size of the sample?
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Why is the method of selecting the sample even more important than the size of the sample?
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una empresa productora que participa en el mercado de lapices tiene la siguente funcion de demanda Qd=a la raiz de 9 -9p si la elasticidad precio de demanda de la empresa es epd=0,5 determinar a) hallar el precio y cantidad
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find the mean mew and the standard devation sigma of the given population 9.8,10.2,10.4,9.8,10.0,10.2,9.6
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Source:  OpenStax, Introductory statistics. OpenStax CNX. May 06, 2016 Download for free at http://legacy.cnx.org/content/col11562/1.18
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