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Home Q & A Board Science-Related Homework Help Psychology
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endraxz endraxz
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5 years ago
If a t test for independent means is conducted, how many degrees of freedom will be used to locate the cutoff score in the t table?
 
  A) (15  1) + (23  1) = 36
  B) 15 + 23 = 38
  C) (15 + 23)  1= 37
  D) (15 + 23)/2 = 19

Question 2

What is the pooled estimate of the population variance?
 
  A) (14/36)(6.5) + (22/36)(4.5) = 5.28
  B) (15/38)(6.5) + (23/38)(4.5) = 5.29
  C) (15/23)(6.5) + (23/15)(4.5) = 11.14
  D) (14/22)(6.5) + (22/14)(4.5) = 11.21

Question 3

If the standard deviation of the distribution of the difference between means is 0.76, what is the t score?
 
  A) (15  23) /0.76 = 10.53
  B) (0.76)(15  23) = 6.08
  C) (6.5 + 4.5)/20.76 = 4.18
  D) (55  51) /0.76 = 5.26
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bambino131913bambino131913
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5 years ago
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Answer to q. 1

A

Answer to q. 2

a

Answer to q. 3

D
1

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endraxz Author
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#2
5 years ago
So that's it? I get an expert answer then we move on with our lives? Not too bad Smiling Face with Open Mouth
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