Solution Found!
Marriage age 2010 revisited Suppose you wanted to predict
Chapter 8, Problem 43E(choose chapter or problem)
Marriage age 2010 revisited Suppose you wanted to predict the trend in marriage age for American women into the early part of this century.
a) How could you use the data graphed in Exercise 15 to get a good prediction? Marriage ages in selected years starting in 1900 are listed below. Use all or part of these data to create an appropriate model for predicting the average age at which women will first marry in 2020.
b) How much faith do you place in this prediction? Explain.
c) Do you think your model would produce an accurate prediction about your grandchildren, say, 50 years from now? Explain.
Questions & Answers
QUESTION:
Marriage age 2010 revisited Suppose you wanted to predict the trend in marriage age for American women into the early part of this century.
a) How could you use the data graphed in Exercise 15 to get a good prediction? Marriage ages in selected years starting in 1900 are listed below. Use all or part of these data to create an appropriate model for predicting the average age at which women will first marry in 2020.
b) How much faith do you place in this prediction? Explain.
c) Do you think your model would produce an accurate prediction about your grandchildren, say, 50 years from now? Explain.
ANSWER:Problem 43E
Marriage age 2010 revisited. Suppose you wanted to predict the trend in marriage age for American women into the early part of this century.
a) How could you use the data graphed in Exercise 15 to get a good prediction? Marriage ages in selected years starting in 1900 are listed below. Use all or part of these data to create an appropriate model for predicting the average age at which women will first marry in 2020.
b) How much faith do you place in this prediction? Explain.
c) Do you think your model would produce an accurate prediction about your grandchildren, say, 50 years from now? Explain.
Step by Step Solution
Step 1 of 6
Given:
The marriage age for American women into the early part of this century is provided as:
Year |
Marriage Age |
1900 |
21.9 |
1910 |
21.6 |
1920 |
21.2 |
1930 |
21.3 |
1940 |
21.5 |
1950 |
20.3 |
1955 |
20.2 |
1960 |
20.2 |
1965 |
20.6 |
1970 |
20.8 |
1975 |
21.1 |
1980 |
22 |
1985 |
23.3 |
1990 |
23.9 |
1995 |
24.5 |
2000 |
25.1 |
2005 |
25.3 |
2010 |
26.1 |
Table (1)