Applied Regression Modeling

3rd edition

Iain Pardoe

A concise, comprehensive treatment of the application of statistical regression analysis suitable for undergraduate and graduate students. Covers simple linear regression, multiple linear regression, model building, and advanced regression topics.

by Iain P
on January 21, 2021

Answer the following questions based on Section 1.1: Identifying and summarizing data.

Use the information that the sample mean of 30 house sale prices is 278.6033 (thousand dollars) and the sample standard deviation is 53.8656 (thousand dollars) to answer the following questions.
1. 

Calculate the sample standardized Z-value for a house with a sale price of 300 (thousand dollars)? Round your answer to four decimal places.

2. 

True or False? The sample standardized Z-value for a house with a sale price of 260 (thousand dollars) is positive.

3. 

What is another name for the 50th percentile?

4. 

What percentage of the data values are larger than the 95th percentile? Write a number without the percent symbol.

5. 

Which quantities are traditionally on each axis of a histogram?

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