 1 
BUAD 310 Homework 1
Due Wednesday, September 8, 2010 in class
The homework assignment has two parts. Section A consists of problems from the textbook. Section B
consists of additional problems. Please ensure that your answers are neat and legible.
Part A:
textbook problems (11 problems)
1.
p. 26
#22 [Cross sectional data are collected for different subjects at the same time, and time
series data are collected for the same subject over the time. For part (b), give a name to the variable
and indicate if the variable is quantitative or categorical]
2.
p. 26
#26 [The same as Problem 1]
3.
p. 44
#14
4.
p. 46
#39
5.
p. 47
#40
6.
p. 73
#41 [The mean is $34,000, and the standard deviation (SD) is over $30,000]
7.
p. 76
#62
8.
p. 213
#38
9.
p. 213
#40
10.
p. 284
#40 [Use the standard normal table provided in class, not the one in the textbook]
11.
p. 284
#44 [The same as Problem 10]
Part B:
additional problems (3 problems)
12.
Below we list several variables. Which of these variables are quantitative and which are
qualitative? Explain. For a quantitative variable, identify whether it is a ratio variable or an interval
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 Normal Distribution, Standard Deviation, time series data, Toxic Waste, Additional Problems, toxic waste release

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