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karan98agarwal karan98agarwal
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6 years ago
An article in a professional journal reports the zscore for the study's sample mean was 1.4 . The authors also reported their sample mean was 97 with a sample size of 49 and the population mean was 102 . However, they did not give the population standard deviation. What was their population standard deviation?
 
  What will be an ideal response?

Question 2

If your critical value is 1.96 and your z-value is -2.44, do you reject the sample mean represents the underlying population or not?
 
  What will be an ideal response?
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sosobonsosobon
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6 years ago
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6 years ago
Wow! Thanks you for this correct set of answers, wasn't expecting it...
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#3
6 years ago
My pleasure!
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