Mathematics, 19.04.2021 06:10 valensanta2005
The mean on a statewide geography test was 74 with a standard deviation of 12. West County sampled
the scores of some of its students and reported a mean of 79 with a margin of error of +1.9.
To the nearest whole number, how many students were in West County's sample?
Answers: 1
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The mean on a statewide geography test was 74 with a standard deviation of 12. West County sampled...
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