According to the text, the statistical approaches to determining sample size are based on confidence intervals that may involve the estimation of the ________ or ________
A) standard deviation; variance
B) variance; mean
C) mean; proportion
D) proportion; standard deviation
E) mode; median
C
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George Washburn had earnings from his salary of $34,000, interest on savings of $800, a contribution to an individual retirement account of $1,500, and dividends from mutual funds of $600. George's adjusted income (AGI) would be
A) $33,900. B) $34,000. C) $34,600. D) $34,800. E) $35,400.
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In an SQL query, which built-in function is used to compute the number of rows in a table?
A) AVG B) COUNT C) MAX D) SUM
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