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Author Question: From a sample of 25 items, a sample standard deviation of 4.56 ounces was just measured. What value ... (Read 56 times)

jon_i

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on: Jun 24, 2018
From a sample of 25 items, a sample standard deviation of 4.56 ounces was just measured. What value should be used for the population standard deviation?
 
  A) 0.91 ounces
  B) 4.56 ounces
  C) none, since the population standard deviation cannot be estimated
  D) 0.18 ounces

Question 2

Adding an independent variable to a multiple regression model will ________.
 
  A) maximize the Adjusted R2.
  B) increase the value of the R2
  C) lead to a negative t-statistic
  D) decrease the p-value
Statistics, Data Analysis, and Decision Modeling ¦ Evans ¦ 5th Edition
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leahm14

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

B

Answer to Question 2

B


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