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Author Question: A study was recently conducted to estimate the mean cholesterol for adult males over the age of 55 ... (Read 186 times)

Arii_bell

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on: Jun 24, 2018
A study was recently conducted to estimate the mean cholesterol for adult males over the age of 55 years. From a random sample of n = 10 men, the sample mean was found to be 242.6 and the sample standard deviation was 73.33.
 
  To find the 95 percent confidence interval estimate for the mean, the correct critical value to use is:A) 1.96
  B) 2.2281
  C) 2.33
  D) 2.2622

Question 2

Another name for a joint frequency distribution is a cross-tabulation table.
 
  Indicate whether the statement is true or false


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ririgirl15

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Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


Arii_bell

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

cici

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Reply 3 on: Yesterday
Gracias!

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