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Author Question: A confidence interval is defined as: a. a point estimate plus or minus a specific confidence level. ... (Read 140 times)

ec501234

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on: Jun 24, 2018
A confidence interval is defined as:
 a. a point estimate plus or minus a specific confidence level.
  b. a lower and upper confidence limit associated with a specific level of confidence.
  c. an interval that has a 95 probability of containing the population parameter.
  d. a lower and upper confidence limit that has a 95 probability of containing the population parameter.

Question 2

For a multiple regression model the following statistics are given: Total variation in y = 250, SSE = 50, k = 4, and n = 20 . Then, the coefficient of determination adjusted for the degrees of freedom is:
 a. 0.800 c. 0.840
  b. 0.747 d. 0.775


xoxo123

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

B

Answer to Question 2

B


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