Homework Help: math

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

A random sample of the houses in a particular city is selected and each of the houses in a particular city is selected and each of the house's level of radon gas is measured. The values collected are given in the table below in parts per million (ppm).
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?

No one has answered this question yet.

Answer this Question

Related Questions

statistics - A random sample of the houses in a particular city is selected and...
algebra 1 - Circle the most appropriate description. 27.A city planning ...
Statistics - How do you make a tree diagram for this? (and in general) 1) of the...
mathmath - A study conducted by the Metro Housing Agency in a midwestern city ...
statistics - The probability that a house is burglarized in the city is 5%. If ...
Statistics - City A has 1,000,000 people; City B has 4,000,000 people. Suppose ...
statistics - 25% of the houses in a certain area have swimming pools. if 5 ...
statistics - The Better Businesss Bureau reports that they resolve 70% of the ...
Math - Should the city build a homeless shelter downtown?Which sample is more ...
math - The Food and Drug Administration randomly selects five stores from each ...

For Further Reading

First Name:
School Subject:
Answer: