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Author Question: A researcher used a sample of n = 60 individuals to determine whether there are any preferences ... (Read 18 times)

vicky

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on: Jun 20, 2018
A researcher used a sample of n = 60 individuals to determine whether there are any preferences among four brands of pizza. Each individual tastes all four brands and selects his/her favorite. If the data are evaluated with a chi-square test for goodness of fit using  = .05, then how large does the chi-square statistic need to be to reject the null hypothesis?
 
  A) greater than 7.81
  B) less than 7.81
  C) less than 5.99
  D) between 5.99 and 7.81

Question 2

What is the sample variance and the estimated standard error for a sample of n = 9 scores with SS = 72?
 
  A) s2 = 9 and sM = 3
  B) s2 = 9 and sM = 1
  C) s2 = 3 and sM = 3
  D) s2 = 3 and sM = 1


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meryzewe

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Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

B


vicky

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Reply 2 on: Jun 20, 2018
Excellent

laurnthompson

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Reply 3 on: Yesterday
Wow, this really help

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