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Author Question: Using a normal curve table, the percentage of scores between a Z score of 1.29 and a Z score of 1.49 ... (Read 83 times)

urbanoutfitters

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on: Jun 20, 2018
Using a normal curve table, the percentage of scores between a Z score of 1.29 and a Z score of 1.49 is
 
  A) 0.54
  B) 3.04
  C) 7.49
  D) 83.34

Question 2

If the unbiased estimate of the population's variance is 15, the variance of the distribution of means is
 
  A) 15/20 = 0.75
  B) 15/19 = 0.79
  C) 152/20 = 11.25
  D) 152/19 = 11.84


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leannegxo

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

A


urbanoutfitters

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Reply 2 on: Jun 20, 2018
Gracias!

bimper21

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Reply 3 on: Yesterday
Wow, this really help

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