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Author Question: Explain what is wrong with the following statement: A t-interval is a confidence interval estimate ... (Read 36 times)

genevieve1028

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on: Jul 24, 2018
Explain what is wrong with the following statement: A t-interval is a confidence interval estimate of a sample mean.

Question 2

In each situation, indicate whether the value given in bold print is a statistic or a parameter. Of 10 students sampled from a class of 200, 8 (80) said they would like the school library to have longer hours.
 a. Statistic
  b. Parameter


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1_Step_At_ATime

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

A confidence interval is computed based on a sample statistic and the result is used to estimate a population parameter. The statement would be correct if the phrase sample mean were replaced by the phrase population mean.

Answer to Question 2

A


genevieve1028

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Reply 2 on: Jul 24, 2018
Gracias!

ryhom

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Reply 3 on: Yesterday
Excellent

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