Sample_Midterm2-1 - SAMPLE MIDTERM II ISyE 2028 Instructor...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: SAMPLE MIDTERM II ISyE 2028 Instructor Nicoleta Serban Tuesday, November 8th 2011. 1 A sample of 30 data observations has a sample mean x = 14 . 62 and a sample standard deviation s = 2 . 98. Find the value of c for which ( , c ) is a one-sided 95% t-interval for the population mean . Is it plausible that 16? 2 Which front cover? It is thought that the front cover and the nature of the first question on mail surveys influence the response rate. The article The Impact of Cover Design and First Question on Response Rates for a Mail Survey of Skydivers ( Leisure Science , 1991) tested this theory by experimenting with different cover designs. One cover was plain; the other used a picture of a skydiver. The researchers speculated that the return rate would be lower for the plain cover. Cover Number Sent Number Returned Plain 207 104 Skydiver 213 109 Does thus data support the researchers hypothesis? Test the relevant hypothesis using = . 1 by first calculating a p-value.1 by first calculating a p-value....
View Full Document

This note was uploaded on 03/08/2012 for the course ISYE 2028 taught by Professor Shim during the Fall '07 term at Georgia Institute of Technology.

Page1 / 2

Sample_Midterm2-1 - SAMPLE MIDTERM II ISyE 2028 Instructor...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online