Concept explainers
If
Year | Participants in thousands |
1990 | 817 |
1995 | 945 |
2000 | 1065 |
2001 | 1070 |
2002 | 1116 |
2003 | 1175 |
2004 | 1171 |
2005 | 1186 |
2006 | 1206 |
Answer to Problem 10PPS
The equation for regression line is
Explanation of Solution
Given:
The given data is shown as,
Year | Participants in thousands |
1990 | 817 |
1995 | 945 |
2000 | 1065 |
2001 | 1070 |
2002 | 1116 |
2003 | 1175 |
2004 | 1171 |
2005 | 1186 |
2006 | 1206 |
Calculation:For the given data the equation for the regression line using the calculator for
The predicted number of participants in 1998.
Answer to Problem 10PPS
The estimated number of participants will be 817 in the year 1998.
Explanation of Solution
Given:
The given data is shown as,
Year | Participants in thousands |
1990 | 817 |
1995 | 945 |
2000 | 1065 |
2001 | 1070 |
2002 | 1116 |
2003 | 1175 |
2004 | 1171 |
2005 | 1186 |
2006 | 1206 |
Calculation:Plugging for
Hence, the number of participants will 817 thousands in the year 1998.
The predicted number of students who will participate in 2011.
Answer to Problem 10PPS
The predicted number of students who will participate in 2011 will be 819 thousands.
Explanation of Solution
Given:
The given data is shown as,
Year | Participants in thousands |
1990 | 817 |
1995 | 945 |
2000 | 1065 |
2001 | 1070 |
2002 | 1116 |
2003 | 1175 |
2004 | 1171 |
2005 | 1186 |
2006 | 1206 |
Calculation: Plugging for
Hence, the number of participants will 819 thousands in the year 2011.
Chapter 4 Solutions
Algebra 1
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