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Author Question: The pooled proportion estimate is used when: a. the proportion of successes from sample 1 equals ... (Read 195 times)

ETearle

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on: Jun 24, 2018
The pooled proportion estimate is used when:
 a. the proportion of successes from sample 1 equals the proportion of successes from sample 2.
  b. the total number of successes in both samples divided by the total of both sample sizes equals 1.
  c. the null hypothesis states that the two population proportions differ by some non-zero number.
  d. None of these choices.

Question 2

The level of construction employment in West Virginia is lowest during the winter. A model designed to forecast construction employment in Charleston should use:
 a. a time trend
  b. a moving average
  c. seasonal indicator variable
  d. an autoregressive model


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meganlapinski

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

D

Answer to Question 2

C


ETearle

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Reply 2 on: Jun 24, 2018
Wow, this really help

yeungji

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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