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how can I solve this please D Question 7 1 pts Air samples were collected on eight successive days at two different sites. Particulate matter

how can I solve this please

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D Question 7 1 pts Air samples were collected on eight successive days at two different sites. Particulate matter was measured in these samples (jug/m3) as an index of environmental quality. Assume the mean particulate matter is 36 and the standard deviation is 10. Between what two values do we have 95% confidence the data fall around the mean? O None of these choices are correct. O 26 to 46 16 to 56 O 6 to 66

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