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Author Question: Using the numbers in Exhibit 6-1, determine the mean. Using the numbers in Exhibit 6-1, determine ... (Read 83 times)

jman1234

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on: Jul 30, 2018
Using the numbers in Exhibit 6-1, determine the mean.
 
  Using the numbers in Exhibit 6-1, determine the mean.

Question 2

Using the numbers in Exhibit 6-1, if you want to end up with four bars on your histogram, how many numbers should be in each interval?
 
  What will be an ideal response?

Question 3

A group of graduate students studying psychology take a national comprehensive exam. On the test, their mean score is about 0.5 standard deviation above the mean as compared to the national score. The variability of their scores is less than the national mean. If passing is 1 standard deviation below the mean, it is likely that many have failed.
 
  a. True
  b. False


FergA

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Reply #1 on: Jul 30, 2018
Answer to Question 1

ANSWER: Mean: 13

Answer to Question 2

ANSWER: 3
How to figure problem: (18  8)/4 = 2.5 (rounded off to 3)

Answer to Question 3

ANSWER: False


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jman1234

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Reply #2 on: Jul 30, 2018
Both answers were spot on, thank you once again


FergA

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Reply #3 on: Jul 30, 2018
Great! Please up vote :D


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