MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The marital status distribution of the U.S. male population, age 15 and older, is as shown below.
Marital Status
Percent
never married
31.3
married
56.1
widowed
2.5
divorced/separated
10.1
Suppose that a random sample of 400 U.S. young adult males, 18 to 24 years old, yielded the following frequency distribution. We are interested in whether this age group of males fits the distribution of
the U.S. adult population at the 5% level. Calculate the frequency one would expect when surveying 400 people. Fill in the table below, rounding to two decimal places.
Marital Status
Frequency
Expected Frequency
never married
137
married
240
widowed
divorced/separated
21
O Part (a)
State the null hypothesis.
The data fit the distribution of marital status for the U.S. adult population.
The data do not fit the distribution of marital status for the U.S. adult population.
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Transcribed Image Text:The marital status distribution of the U.S. male population, age 15 and older, is as shown below. Marital Status Percent never married 31.3 married 56.1 widowed 2.5 divorced/separated 10.1 Suppose that a random sample of 400 U.S. young adult males, 18 to 24 years old, yielded the following frequency distribution. We are interested in whether this age group of males fits the distribution of the U.S. adult population at the 5% level. Calculate the frequency one would expect when surveying 400 people. Fill in the table below, rounding to two decimal places. Marital Status Frequency Expected Frequency never married 137 married 240 widowed divorced/separated 21 O Part (a) State the null hypothesis. The data fit the distribution of marital status for the U.S. adult population. The data do not fit the distribution of marital status for the U.S. adult population.
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