Mathematics, 29.04.2021 04:20, Jspice1996

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. What is the range of reasonable means for West County’s sample?

Round to the nearest tenth.

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The mean on a statewide geography test was 74 with a standard deviation of 12. West County sampled t...