Mathematics, 01.07.2021 05:10, krystalScott17
You want to estimate the mean family income in a rural area of central Indiana. The question is, how many families should be sampled? In a pilot sample of 10 families, the standard deviation of family income was $500. How many families should be interviewed to estimate the population mean income with 95% confidence and a margin of error of $100? (Round your answer to the next whole number.)
Answers: 3
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Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?
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You want to estimate the mean family income in a rural area of central Indiana. The question is, how...