Casio STAT 2 Manual de usuario descargar pdf (Pagina 19)

Introduction

Over the past fifty years we have seen a trend in the life

expectancy of humans. In this activity you will determine

what that trend is and make a conjecture as to how long

you think this trend will continue.

Problems and Questions

1. What is the relationship between the year and the life

expectancy in years of a person?

____________________________________________________

2. In the year 2050 what would the life expectancy be if

this trend continues?

____________________________________________________

3. In the year 1800 what was the life expectancy if this

trend was seen at that time as well?

____________________________________________________

4. When would the life expectancy be zero?

Is this likely?

____________________________________________________

5. Will this trend continue forever into the future? Why or

why not?

____________________________________________________

Name _____________________________________________ Class ________ Date ________________

Activity 3 • The Years of Your Life

1900

1950

1960

1970

1975

1980

1981

1982

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

Life

Expectancy

(Years)

(from ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/

Publications/Health_US/hus04tables/Table027.xls)

47.3

68.2

69.7

70.8

72.6

73.7

74.1

74.5

74.6

74.7

74.9

75.1

75.4

75.5

75.8

75.5

75.7

75.8

76.1

76.5

76.7

77.0

77.2

77.3

Years

Data:

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 96 97

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