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Author Question: One sample has n = 10 scores and a variance of s2 = 20, and a second sample has n = 15 scores and a ... (Read 80 times)

madam-professor

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One sample has n = 10 scores and a variance of s2 = 20, and a second sample has n = 15 scores and a variance of s2 = 30.What can you conclude about the pooled variance for these two samples?
 
  A) It will be closer to 20 than to 30.
  B) It will be closer to 30 than to 20.
  C) It will be exactly half way between 20 and 30.
  D) It will be equal to 25.

Question 2

For a severely skewed distribution, the median often provides a better measure of central tendency than the mean.
 
  Indicate whether the statement is true or false



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leannegxo

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Answer to Question 1

B

Answer to Question 2

True




madam-professor

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Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it


sultansheikh

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Reply 3 on: Yesterday
Wow, this really help

 

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