The speed of a computer has increased with time in a consistent way. In 1965, Dr. Gordon
Question:
Year of introduction x Number of transistors y
1971 ...................................... 2,250
1972 ...................................... 2,500
1974 ...................................... 5,000
1978 .................................... 29,000
1982 .................................. 120,000
1985 .................................. 275,000
1989 ................................ 1,180,000
1993 ................................ 3,100,000
1997 ............................... 7,500,000
1999 .............................. 24,000,000
2000 .............................. 42,000,000
a. Make a scatter plot of the data. (Let x = 0 represent 1970.) Is the data linear?
b. Make a scatter plot of (log x, y), (x, log y), and (log x, log y). Which is most linear?
c. Find a least squares line to model the most linear data you found in 8b.
d. Using the least squares line in 8c, write an equation to model the data.
e. Use your model to make a prediction about the number of transistors on a microchip in 2011.
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Related Book For
Discovering Advanced Algebra An Investigative Approach
ISBN: 978-1559539845
1st edition
Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
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