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Author Question: Assume that the histogram of a data set is symmetric and bell shaped, with a mean of 75 and standard ... (Read 152 times)

B

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on: Jun 24, 2018
Assume that the histogram of a data set is symmetric and bell shaped, with a mean of 75 and standard deviation of 10 . Then, approximately 95 of the data values were between 55 and 95.
 a. True
  b. False
   Indicate whether the statement is true or false

Question 2

The pooled-variances t-test requires that the two population variances need not be the same.
  Indicate whether the statement is true or false


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mfedorka

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Reply #1 on: Jun 24, 2018
Answer to Question 1

TRUE

Answer to Question 2

F


B

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Reply 2 on: Jun 24, 2018
Excellent

cassie_ragen

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

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