John and his friends wanted to see how their friends compared to the reading habits of...
John and his friends wanted to see how their friends compared to the reading habits of U.S. citizens. They collected the following data from 10 of their friends.
Did their friends read significantly more books than the rest of the citizens in the U.S.?
(In 2017, U.S. citizens read an average of 12 books with a standard deviation of 4)
Books Read 15 19 21 16 13 17 4 1 20
a. What is the correct test for this question?
b. What are the hypotheses?
c. Calculate the degrees of freedom.
d. What is the cutoff(s)?
e. Test the hypotheses. Calculate the score (use equation from chart) then compare to the cutoff.
f. What type of error could have been made? What would it state?
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John and his friends wanted to see how their friends compared to
the reading habits of...
Use the following data and conduct a two-tailed hypothesis test using a = .05. a. What...
Use the following data and conduct a two-tailed hypothesis test using a = .05. a. What are EX, EY, (EX)(EY)? b. What is 2.XY? c. What are your hypotheses? d. What are your degrees of freedom? e. What is the critical value? f. What is the value of Pearson r? g. What do you conclude? Reading Speed Test Score Number of Books Read Participant TO 12 9119 a $ 4 10
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