Heather Rhea 3/5/156 Over Question! 3 pts Listed This Test 116 pts 37 of 50 comp

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Heather Rhea 3/5/156 Over Question! 3 pts Listed This Test 116 pts 37 of 50 complete quality below are measured amounts oflead (in micrograms per cubic meter, or Hg/m the air The EPA established an ai given standard for lead of 1.5 ug/m The measurements shown below were at a building on different Use the values to construct a confidence recorded suggesting that the confidence estimate of the mean amount ofleadin the air. Is there anything about this dat 5.40 0.90 0.37 0.82 interval might not be very good? 0.73 1.00 Cbck here to view at distribution Click here to standard normal distribution table. to view page 2 of the standard normal distribution table What is the confidence interval for the population mean i? (Round to three decimal places as needed. Is there anything about this data set suggesting that the confidence interval might not be very good? OA. No, the data appears to be normally distributed. OB Yes, the value of 5.40 appears to be an outher. Oc Yes, because the sample mean is greater than 1.5 ug m OD Yes, because the confidence interval does not contain 1,5 ug select your answ Previous Question Next Question Submit Quiz

Explanation / Answer

The mean of the data is

15.624

std dev = 27.66

confidence interval at 95% =

Confidence Interval:

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