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Author Question: In a five-number summary, which of the following is NOT used for data summarization? a. smallest ... (Read 128 times)

frankwu

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  • Posts: 549
on: Jun 24, 2018
In a five-number summary, which of the following is NOT used for data summarization?
 a. smallest value
  b. largest value
  c. median
  d. mean

Question 2

From a population that is not normally distributed and whose standard deviation is not known, a sample of 50 items is selected to develop an interval estimate for . Which of the following statements is true?
 a. The standard normal distribution can be used.
  b. The t distribution with 50 degrees of freedom must be used.
  c. The t distribution with 49 degrees of freedom must be used.
  d. The sample size must be increased in order to develop an interval estimate.


raili21

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

d

Answer to Question 2

c


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