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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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kate lynn kate lynn
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6 years ago
Two independent simple random samples are taken to test the difference between the means of two populations whose variances are not known, but are assumed to be equal. The sample sizes are n1 = 32 and n2 = 40 . The correct distribution to use is the
 a. t distribution with 73 degrees of freedom.
  b. t distribution with 72 degrees of freedom.
  c. t distribution with 71 degrees of freedom.
  d. t distribution with 70 degrees of freedom.
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ruffruff
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kate lynn Author
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6 years ago
You make an excellent tutor!
SupremeDJ
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
sleinhi
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2 hours ago
This helped my grade so much Perfect
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