SampleMidterm-1

SampleMidterm-1 - University of California Davis ARE 106...

This preview shows pages 1–4. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: University of California, Davis ARE 106 - Winter 2011 Sample Midterm 1 Name: Student Number: Short Questions 1. Explain what an interval estimate is. 2. Draw a picture of a probability density function (pdf) for a normal distribution with mean μ = 10. Be sure to label the x-axis and y-axis! 3. Write x 1 y 1 + x 1 y 2 + x 1 y 3 + x 1 y 4 + x 1 y 5 + x 1 y 6 + x 1 y 7 in summation notation. University of California, Davis ARE 106 - Winter 2011 4. You know that a random variable Y is distributed N (83 , 64). What is the distribution of ( Y- 83) / 8? Justify by showing your work. 5. You are given a sample regression function and a single data point ( x i ,y i ). Graphically show where b 1 , b 2 x i , and ˆ e i are located. University of California, Davis ARE 106 - Winter 2011 Long Questions 1. You have three observations on how income impacts food expenditure. Food expenditure per week Income (\$1000s of dollars per month) 88.4 2.7 86.6 2.5 127.8 3.4 (a) Write down the econometric model being careful to identify which variable is the...
View Full Document

This note was uploaded on 01/13/2012 for the course ARE 32482 taught by Professor Havenner during the Spring '10 term at UC Davis.

Page1 / 6

SampleMidterm-1 - University of California Davis ARE 106...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online