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Author Question: The __________ sum of squares measures the variation within samples. Fill in the blank(s) with ... (Read 71 times)

nelaaney

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on: Jul 25, 2018
The __________ sum of squares measures the variation within samples.
 
  Fill in the blank(s) with correct word

Question 2

A recent survey found that 80 of all adults over 50 wear sunglasses for driving. In a random sample of 50 adults over 50, what is the mean and standard deviation of those that wear sunglasses?
 
  A) mean: 10; standard deviation: 2.82842712 B) mean: 40; standard deviation: 2.82842712
  C) mean: 40; standard deviation: 6.32455532 D) mean: 10; standard deviation: 6.32455532


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Carliemb17

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Reply #1 on: Jul 25, 2018
Answer to Question 1

error

Answer to Question 2

B


nelaaney

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Reply 2 on: Jul 25, 2018
Excellent

tranoy

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

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