BUS 115 Final Exam Review - Calculations

BUS 115 Final Exam Review - Calculations - FINAL EXAM...

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

View Full Document Right Arrow Icon
FINAL EXAM PRACTICE QUESTIONS (SHORT ANSWER / CALCULATIONS) 1. Professor Godfrey wants to know the mean number of hours per week students spend prepar- ing for her class, plus or minus 1 hour. Since she needs to report this information to the Dean, she wants to be 99% confident that the results she reports are representative of all students in her class. She knows that some students spend a lot of time preparing for class, while others spend very little time preparing – in a pilot study of students last quarter, the variance in the responses was 3 hours. How many students should Professor Godfrey include in her sample? 2. UCR Housing Services wants to know what proportion of UCR students live on campus, plus or minus 2%. The Dean of Student Affairs would like to be 95% confident that the statistics are representative of all UCR students. The last time the campus collected this type of data, they found that 20% of UCR students live on campus. How many students should UCR Housing Ser- vices include in their sample? 3. UCR recently surveyed businesses in the Inland Empire to determine their attitudes about how to improve the link between the campus and the business community. UCR mailed surveys to 500 local businesses. 180 businesses completed and returned the survey. 42 of the surveys were
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/17/2009 for the course BUS 115 taught by Professor Godfrey during the Winter '09 term at UC Riverside.

Page1 / 3

BUS 115 Final Exam Review - Calculations - FINAL EXAM...

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