Business Stats Chapter Two Homework

Topics: Mutual fund, Stock market, Hedge fund Pages: 2 (538 words) Published: March 24, 2011
Chapter 2 exercises page 23 numbers 11 and 23
For each description of data in Exercises 1 to 26, identify the W’s, name the variables, specify for each variable whether its use indicates it should be treated as categorical or quantitative, and for any quantitative variable identify the units in which it was measured ( or note that they were not provided). 11. Schools. A State Education Department requires local school districts to keep records on all students, recording: age, race or ethnicity, days absent, current grade level, standardized test scores in reading and mathematics, and any disabilities or special educational needs the student may have. Who- Students,

What- age, race or ethnicity, days absent, current grade level, standardized test scores in reading and mathematics, and any disabilities or special educational needs the student may have. When- unknown,

Where- State Education Department,
How-keeping records

Variables: age -categorical, race or ethnicity-categorical, days absent-quantitative (days), current grade level-categorical, standardized test scores in reading and mathematics- quantitative (not provided), and any disabilities or special educational needs the student may have-categorical. 23. Stock market. An online survey of students in a large MBA Statistics class at a business school in the northeastern United States asked them to report their total personal investment in the stock market ($), total number of different stocks currently held, total invested in mutual funds ($), and the name of each mutual fund in which they have invested. The data were used in the aggregate for classroom illustrations. Who- MBA Stats Students

What- their total personal investment in the stock market ($), total number of different stocks currently held, total invested in mutual funds ($), and the name of each mutual fund in which they have invested When-unknown

Where-unknown
How-reporting to the class

Variables: their total personal investment...
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