Drove when drinking alcohol. Results from the 2005 survey indicated that, during the 30 days preceding the survey, 9.9% had driven a car or other vehicle when they had been drinking alcohol (Eaton et al., 2006). Counts for selected racial/ethnic groups are shown in the 3-by-2 cross-tabulation below. Race/ Habit Drink No Drink White 243 1910 Black 25 483 Hispanic 55 470 Test whether the Drinking Habit has some association b/w Race or not.

Drove when drinking alcohol. Results from the 2005 survey indicated that, during the 30 days preceding the survey, 9.9% had driven a car or other vehicle when they had been drinking alcohol (Eaton et al., 2006). Counts for selected racial/ethnic groups are shown in the 3-by-2 cross-tabulation below. Race/ Habit Drink No Drink White 243 1910 Black 25 483 Hispanic 55 470 Test whether the Drinking Habit has some association b/w Race or not.

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Description: pls solve using chi distribution Drove when drinkingResults fromalcohol.the 2005 surveyindicated that, during the 30 dayspreceding the survey, 9.9% haddriven a car or other vehicle whenthey had been drinking alcohol(Eaton et al., 2006). Counts forsel

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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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Question

pls solve using chi distribution

Drove when drinking
Results from
alcohol.
the 2005 survey
indicated that, during the 30 days
preceding the survey, 9.9% had
driven a car or other vehicle when
they had been drinking alcohol
(Eaton et al., 2006). Counts for
selected racial/ethnic groups are
shown in the 3-by-2 cross-tabulation
below.
Race/ Habit Drink No Drink
White
243
1910
Black
25
483
Hispanic
55
470
Test whether the Drinking Habit has
some association b/w Race or not.

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REM (rapid eye movement) sleep is sleep during which most dreams occur. Each night a person has both REM and non-REM sleep. However, it is thought that children have more REM sleep than adults†. Assume that REM sleep time is normally distributed for both children and adults. A random sample of n1 = 8 children (9 years old) showed that they had an average REM sleep time of x1 = 2.5 hours per night. From previous studies, it is known that ?1 = 0.9 hour. Another random sample of n2 = 8 adults showed that they had an average REM sleep time of x2 = 1.60 hours per night. Previous studies show that ?2 = 0.6 hour. Do these data indicate that, on average, children tend to have more REM sleep than adults? Use a 1% level of significance. what is the sample test statistic find or estimate p value