Which of the following statements are true? a. If each of 25 sample values is equal to

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Which of the following statements are true?

a. If each of 25 sample values is equal to 20 min, the standard deviation of the sample is 0 min.

b. For any set of sample values, the standard deviation can never be a negative value.

c. If the standard deviation of a sample is 3 kg, then the variance is 9 kg.

d. If the variance of a sample is 16 sec2, then the standard deviation is 4 sec.

e. If the standard deviation of a sample is 25 cm, then the variance is 5 cm2.

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Elementary Statistics

ISBN: 9780321836960

12th Edition

Authors: Mario F. Triola

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Question Posted: May 03, 2015 08:37 AM

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Which of the following statements are true? a. If each of 25 sample values is equal to

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Parts a b and d are true a If each of 25 sample values i...View the full answer

Elementary Statistics

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