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Home Q & A Board Science-Related Homework Help Psychology
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avaasadi avaasadi
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6 years ago
The observed frequencies for a chi-square test are always whole numbers (no fractions or decimals).
 
  Indicate whether the statement is true or false

Question 2

Which of the following describes the function of a confidence interval?
 
  A) It uses a sample mean to estimate the corresponding population mean.
  B) It uses a population mean to predict a sample mean.
  C) It uses a level of confidence to estimate a sample mean.
  D) It uses the sample mean to determine a level of confidence.

Question 3

One characteristic of the chi-square tests is that they can be used when the data are measured on a nominal scale.
 
  Indicate whether the statement is true or false

Question 4

A sample is selected from a population with  = 46 and a treatment is administered to the sample. After treatment, the sample mean is M = 48 with a sample variance of s2 = 16. Based on this information, the size of the treatment effect, as measured by Cohen's d, is ____.
 
  A) d = 0.125
  B) d = 0.25
  C) d = 0.50
  D) d=0.001
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tvincenttvincent
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6 years ago
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avaasadi Author
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6 years ago
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6 years ago
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