The following is a record of Michael Jordan's remarkable basketball career up through 1998 (when he retired for the second time). SEASON AVERAGE POINTS PER GAME 1986-87 37.1 1987-88 35.0 1988-89 32.5 1989-90
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
- The following is a record of Michael Jordan's remarkable basketball career up through 1998 (when he retired for the second time).
SEASON AVERAGE POINTS PER GAME
1986-87 37.1
1987-88 35.0
1988-89 32.5
1989-90 33.6
1990-91 31.5
1991-92 30.1
1992-93 30.6
1995-96 30.4
1996-97 29.6
1997-98 28.7
A. Let 1985-86 be year 0. (Thus 1986-87 will be year 1, 1987-88 year
2 etc.)
Draw a scattergram of this data below.
B. Give the equation of the regression line. Then draw the regression line on
the graph above.
C. Use this regression equation to predict what Michael Jordan's average should be in 2002-2003. (His actual average was 20.0 points per game but your prediction may be very different.)
D. How well does this regression line represent the data? Give reasons for
your answer.
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