Describe how you would apply the five basic steps of a statistical study to the given issue. As a marketing executive for a computer company you wish to determine the average length of time that owners of personal computers in the U.S. keep a computer before buying a newer model.
What will be an ideal response?
Step 1: Population is all owners of personal computers in the U.S; goal is to determine average length of time that owners of personal computers keep a computer before buying a newer model.
Step 2: Choose a representative sample
Step 3: Determine average length of time that people within the sample keep a personal computer before buying a newer model.
Step 4: Infer average length of time for all owners of personal computers in the U.S.
Step 5: Assess results and formulate conclusion
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Solve the problem. Assume all data are accurate to two significant digits unless greater accuracy is given.Two pieces of equipment were purchased for a total of $2000. If one piece cost $810 more than the other, find the price of the less expensive piece of equipment.
A. $600 B. $595 C. $1400 D. $1405
Find the exact value of the expression.
A. 
B. 
C. 
D. 2
A quadrilateral has vertices A(-2, 12), B(-1, -1), C(10, -8), and D(9, 5). Show that it is a rhombus.
What will be an ideal response?
Solve the equation.
= 
A. - 1, - 
B. - 1
C. No solution
D. 1, 