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Author Question: Determine the sample size that is required to estimate a population mean to within 0.4 units with a ... (Read 89 times)

Haya94

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on: Jun 24, 2018
Determine the sample size that is required to estimate a population mean to within 0.4 units with a 99 confidence when the population standard deviation is 1.75.

Question 2

If the value of the Durbin-Watson statistic, d, satisfies the inequality dL  d  dU, where dL and dU are the critical values for d, then the test for positive first-order autocorrelation is inconclusive.
  Indicate whether the statement is true or false


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mrphibs

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

128 (using z = 2.58)

Answer to Question 2

T


Haya94

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

Sarahjh

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Reply 3 on: Yesterday
Wow, this really help

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