Find z give your answer correct to two decimal places find

Reference no: EM13612644

The average size of a home in 2003 was 2313 square feet according to the National Association of Home Builders and reported in USA Today Snapshots (November 27, 2004). The homebuilders of a northeastern city believe that the average size of homes continues to increase each year. To test their claim, a random sample of 39 new homes was selected; they revealed an average of 2476 square feet. Assuming that the population standard deviation is approximately 458 square feet, is there evidence that the average size has increased since the 2003 figure? Use ? = .05 level of significance

(a) Find z. (Give your answer correct to two decimal places.)

(ii) Find the p-value. (Give your answer correct to four decimal places.)

Reference no: EM13612644

Questions Cloud

The average speed of blood leaving the left ventricle is : blood flows from the left ventricle of the heart up through the ascending aorta. this system can be modeled as a

Determine the torque exerted on the 10mm long high inner : whole blood is placed in a concentric cylindern viscometer. the gap width is 1 mm and the inner cylinder radius is 30

A sample of 21 of 180 funded projects revealed that 19 were : a sample of 21 of 180 funded projects revealed that 19 were valued at 17680 each and 2 were valued at 20320 each. from

What can be concluded about ixy if in addition to the first : if ixiy in a given system of coordinates what can be concluded about ixy? what can be concluded about ixy if in

Find z give your answer correct to two decimal places find : the average size of a home in 2003 was 2313 square feet according to the national association of home builders and

A certain office building infrequently experiences power : a certain office building infrequently experiences power outages. it is known that the probability of a power outage on

A seed company advertises that the mean time for planting : a seed company advertises that the mean time for planting to harvest for a new variety of zucchini seeds is 45 days.

A web based software company is interested in estimating : a web based software company is interested in estimating the proportion of individuals who use the firefox browser. in

A university with a high water bill is interested in : a university with a high water bill is interested in estimating the mean amount of time that students spend in the

User Account

All Pages