(b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to two decimal places. Round the test statistic to three decimal places.)(c) Find or estimate the P-value of the sample test statistic. (Round your answer to three decimal places.) The type of household for the U.S. population and for a random sample of 411 households from a community in Montana are shown below.Observed Numberof Households inPercent of U.s.HouseholdsType of HouseholdMarried with childrenMarried, no childrenSingle parentOne personOther (e.g., roommates, siblings)the Community9726%29%11732937225%11%

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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(b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to two decimal places. Round the test statistic to three decimal places.)

The type of household for the U.S. population and for a random sample of 411 households from a community in Montana are shown below.
Observed Number
of Households in
Percent of U.s.
Households
Type of Household
Married with children
Married, no children
Single parent
One person
Other (e.g., roommates, siblings)
the Community
97
26%
29%
117
32
93
72
25%
11%

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