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Statistics

1. A random sample of five observations is selected. The deviation scores for the first four observations are -5, 3, 1, and -2.

(a) What is the fifth deviation score?

(b) Compute SS and sX for the sample of all five observations.

2. You select a random sample of 10 observations and compute s, the estimate of σ. Even though there are 10 observations, s is really based on only nine independent pieces of information. (Explain.)

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92693271

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