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Author Question: The pooled proportion estimate is used when: a. the proportion of successes from sample 1 equals ... (Read 194 times)

ETearle

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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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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


zacnyjessica

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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