Friday

November 28, 2014

November 28, 2014

Posted by **helga** on Sunday, February 1, 2009 at 9:56pm.

4 8 13 6 7 3 9 8 11 8

a. Give a point estimate for u=the average level of radon gas in a house in this particular city.

b. Let pi=the proportion of houses in this city having radon levels exceeding 8 ppm. Give a point estimate of pi.

c. Give a point estimate of the median level or radon gas in a house in this city.

d. Give a point estimate of the standard deviation of the level of radon gas in a house in this city.

e. What conditions are required in order to have a valid confidence interval for u in this data set?

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