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Author Question: A population has a standard deviation of 50 . A random sample of 100 items from this population is ... (Read 119 times)

gonzo233

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on: Jun 24, 2018
A population has a standard deviation of 50 . A random sample of 100 items from this population is selected. The sample mean is determined to be 600 . At 95 confidence, the margin of error is
 a. 8.225.
   b. 8.3.
   c. 9.8.
   d. 9.92.

Question 2

In the linear trend equation, Tt = b0 + b1t, b0 represents the
 a. time.
  b. slope of the trend line.
  c. trend value in period 1.
  d. the y-intercept.


Amiracle

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

c

Answer to Question 2

d


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