The dataset HomesForSale has data on houses available for sale in three Mid-Atlantic states (NY, NJ, and

Question:

The dataset HomesForSale has data on houses available for sale in three Mid-Atlantic states (NY, NJ, and PA) as well as California (CA). In Exercise C.62 we see that in the sample of 90 Mid- Atlantic homes for sale, 16 are larger than the national average. In the sample of 30 California homes, 7 are larger than the national average.

(a) Is the normal distribution appropriate to model the proportion larger than the national average for Mid-Atlantic houses? California houses?

(b) Do we have sufficient evidence at a5%level that the proportion of Mid-Atlantic homes larger than the national average is less then 25%? Perform an appropriate test.

(c) Do we have sufficient evidence at a 5% level that the proportion of California homes larger than the national average is less than 25%? Perform an appropriate test  


Exercise C.62

The dataset HomesForSale has data on houses available for sale in three Mid- Atlantic states (NY, NJ, and PA) and California (CA). We are interested in the proportion of Mid- Atlantic houses that are larger than the mean US household size, which is approximately 2700 square feet. In the sample of 90 Mid-Atlantic homes for sale in HomesForSale, we see that 16 are larger then 2700 sqft.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Statistics Unlocking The Power Of Data

ISBN: 9780470601877

1st Edition

Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock

Question Posted: