Question
In: Statistics and Probability
The table below gives beverage preferences for random samples of teens and adults. Teens Adults Total...
The table below gives beverage preferences for random samples of teens and adults. Teens Adults Total Coffee 50 200 250 Tea 100 150 250 Soft Drink 200 200 400 Other 50 50 100 400 600 1000 We are asked to test for independence between age (i.e., adult and teen) and drink preferences. With a .05 level of significance, a. state the hypothesis b. Calculate the expected frequencies c. what are the degrees of freedom d. what is the critical value for the test e. what is the test statistic f. what is the p-value g. What is you conclusion/result of the test?
Solutions
orchestra answered 1 year agoRelated Solutions
The table below gives beverage preferences for random samples of teens and adults. Teens Adults Total...
The table below gives beverage preferences for random samples of
teens and adults.
Teens
Adults
Total
Coffee
50
200
250
Tea
100
150
250
Soft Drink
200
200
400
Other
50
50
100
400
600
1,000
We are asked to test for independence between age (i.e., adult and
teen) and drink preferences. If the value of the test statistic is
greater than the critical value of the test statistic, what is the
result of the test?
Select one:
A. hypothesis...
The table below gives beverage preferences for random samples of teens and adults. Beverage Teens Adults...
The table below gives beverage preferences for random samples of
teens and adults.
Beverage
Teens
Adults
Total
Coffee
50
200
250
Tea
100
150
250
Soft Drink
200
200
400
Other
25
75
100
Total
375
625
1,000
We are asked to test for independence between age (i.e., adult
and teen) and drink preferences.
Refer to Exhibit 11-5. The result of the test is that the
Question 11 options:
hypothesis of independence can be rejected
hypothesis of independence cannot...
The table below gives beverage preferences for random samples of teens and adults. teens adults...
The table below gives beverage preferences for random samples of teens and adults.
teens
adults
total
coffee
50
200
250
tea
100
150
250
soft drinks
200
200
400
other
50
50
100
400
600
1000
a. We are asked to test for independence between age (i.e., adult and teen) and drink preferences. With a .05 level of significance, the critical value for the test is?
(a. 1.645 b. 7.815 c. 14.067 d. 15.507)
b. The expected number...
Exhibit 11-5 The table below gives beverage preferences for random samples of teens and adults. Beverage ...
Exhibit 11-5
The table below gives beverage preferences for random samples of
teens and adults.
Beverage
Teens Adults Total
Coffee
50 200
250
Tea
100 150 250
Soft Drink 200
200 400
Other 25
75 100
Total 375 625
1,000
We are asked to test for independence between age (i.e., adult
and teen) and drink preferences.
Refer to Exhibit 11-5. The calculated value for this test for
independence is
show will excel
Question options:
8.40
66.67...
The table below shows pulse rates taken from random samples of adults. The data have been...
The table below shows pulse rates taken from random samples of
adults. The data have been sorted by age. Use one-way analysis of
variance (ANOVA) to test the claim that the three different age
groups have the same mean pulse rate. Use α = .05 .
Adult Pulse Rates by Age Group
20-29 64 64 76 64 60 88 72 56 88 72 68 80 72 72 68 64
30-39 88 72 85 60 84 84 64 56 72 68...
Data:The table below shows pulse rates taken from random samples of adults. The data have been...
Data:The table below shows pulse rates taken
from random samples of adults. The data have been sorted by age.
Use one-way analysis of variance (ANOVA) to test the claim that the
three different age groups have the same mean pulse rate. Use α =
.05 .
Adult Pulse Rates by Age Group
20-29 64 64 76 64 60 88 72 56 88 72 68 80 72 72 68 64
30-39 88 72 85 60 84 84 64 56 72 68...
The two data sets in the table below are dependent random samples. The population of (...
The two data sets in the table below are dependent random
samples. The population of ( x − y ) (x-y) differences is
approximately normally distributed. A claim is made that the mean
difference ( x − y ) (x-y) is less than -31.4.
X 25 32 48 37 39 34 37
Y 73 64 66 80 78 67 84
For each part below, enter only a numeric value in the answer
box. For example, do not type "z ="...
The table gives systolic blood pressure readings for Intensive Care Unit patients in their teens and...
The table gives systolic blood pressure readings for Intensive
Care Unit patients in their teens and those in their eighties.
Teen
100
100
104
104
112
130
130
136
140
140
142
146
156
Eighties
80
100
100
110
110
122
130
135
136
138
140
141
162
190
190
A) Plot systolic blood pressure side-by-side boxplot for teen
and eighties, compare the spread of systolic blood pressure for
each group.
Q1
Q3
Teen
104
140
Eighties
110
140.5
B)...
The table below contains information pertaining to the gasoline mileage for random samples of trains of...
The table below contains information pertaining to the gasoline
mileage for random samples of trains of two different types X and
Y. Assume their population standard deviations are known (as given)
and the two distributions are normal.
Brand X Brand Y
Number of Trains 14 11
Mean mileage 20.04 24.03
Pop. St Dev. σ 2.18 1.76
A) Name and Find the 95% Confidence Interval for the difference
of two pop. means (μx - μY).
B) What can you conclude (if...
In a random sample of 200 adults and 300 teens who watched a certain television show,...
In a random sample of 200 adults and 300 teens who watched a
certain television show, 50 adults and 150 teens said they liked
the show. prove with a 5% significance that the difference between
the proportion of adults and adolescents who watch the program is
equal to 0.10
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