Essay
The following data represent scores on a 15 point aptitude test: 8, 10, 15, 12, 14, and 13.
a. Complete the sample mean for the original data.
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Subtract 5 from every observation and complete the sample mean for the new data.
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b. Complete the sample variance for the original data.
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Subtract 5 from every observation and complete the sample variance for the new data.
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c. What effect, if any, does subtracting 5 from every observation have on the sample mean and sample variance?
________________________________________________________
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12; 7; 6.8; 6.8; The sample me...View Answer
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