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Author Question: A _____ is the range within which a statistical result is confidently accepted as probably not due ... (Read 71 times)

Alygatorr01285

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on: Jun 19, 2018
A _____ is the range within which a statistical result is confidently accepted as probably not due to chance.
 
  a. confidence interval c. critical range
  b. sampling distribution d. treatment interval

Question 2

In a normal curve, _____ percent of the scores fall at or below the mean.
 
  a. 5 c. 90
  b. 50 d. 100


yuyiding

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Reply #1 on: Jun 19, 2018
Answer to Question 1

A
This is the definition of confidence interval.

Answer to Question 2

B
The mean equals the median, which is the 50th percentile. That means that 50 of the scores have values equal to or lower than the mean.


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