Question
In: Statistics and Probability
4. A study has been carried out to compare the United Way contributions made by clerical...
4. A study has been carried out to compare the United Way
contributions made by clerical workers from three local
corporations. A sample of clerical workers has been randomly
selected from each firm, and the amounts of their contributions are
as follows (in 000).
Firm 1 Firm 2 Firm 3
199 108 162
236 104 86
167 153 160
263 218 135
254 210 207
96 201
a. What are the null and alternative hypotheses for this
test?
b. Use ANOVA and the 0.05 level of significance in testing the null
hypothesis identified in part (a).
Solutions
orchestra answered 2 years agoRelated Solutions
A study has been carried out to compare the United Way contributions made by university professors...
A study has been carried out to compare the United Way
contributions made by university professors from four universities.
A sample of 15 professors from each university is selected. The
dollar amounts of their contributions are shown below.
University 1
University 2
University 3
University 4
200
119
179
115
257
136
409
238
194
278
536
159
296
356
105
118
278
135
321
149
342
237
357
175
212
496
519
207
396
238
188
312
403
512...
A one-way within-subjects ANOVA was carried out on a set of data with 4 groups of...
A one-way within-subjects ANOVA was carried out on a set of data
with 4 groups of 6 subjects each. The responses are presented in
the following table:
Subject
A1
A2
A3
A4
S1
5
6
10
9
S2
6
6
11
9
S3
7
7
8
7
S4
6
8
11
8
S5
4
6
10
8
S6
6
5
7
7
Complete the ANOVA table (show the work as well)
Source
SS
df
MS
F
Factor A
__
__...
E13.17 Contributions Received on Behalf of Others The United Way receives contributions and distributes them to...
E13.17 Contributions Received on Behalf of Others
The United Way receives contributions and distributes them to
other NFP organizations. Some of its transactions for the current
year are as follows:
1. Donors contribute $5 million, designated to specific
unaffiliated NFP organizations. $3 million of this money is
distributed according to donor wishes during the current year.
2. Donors contribute $2 million, to be distributed to
unaffiliated NFP organizations selected by United Way. United Way
distributes $1.8 million of these donations...
Ray Ray made the following contributions this year. Charity Property Cost FMV United Way Cash 8,930...
Ray Ray made the following contributions this year.
Charity
Property
Cost
FMV
United Way
Cash
8,930
8,930
American Heart Association
Pepsi stock
11,249
12,855
First Methodist Church
Antique painting
2,301
7,148
American Heart Association plans to sell the stock to fund its
operations. First Methodist Church intends to sell the antique
painting. Ray Ray has owned the painting and Coca-Cola stock since
1990.
What is the total amount of charitable contributions subject to
the 30% of AGI ceiling?
The last political survey that was carried out in the United States indicates that, of the...
The last political survey that was carried out in the United
States indicates that, of the two randomly chosen citizens, the
probability that they are liberal is .30, the probability that they
are conservative are .55, and the probability that they are
neither, is 0.15. The group of 10 Americans are chosen at
random.
What is the probability that four are liberal?
What is the probability that neither is conservative?
What is the probability that two are neither?
What is...
The last political survey that was carried out in the United States indicates that, of the...
The last political survey that was carried out in the United
States indicates that, of the two randomly chosen citizens, the
probability that they are liberal is .30, the probability that they
are conservative are .55, and the probability that they are
neither, is 0.15. The group of 10 Americans are chosen at
random.
What is the probability that four are liberal?
What is the probability that neither is conservative?
What is the probability that two are neither?
What is...
Question 2: An investigation has been carried out to investigate which of the beverages that two...
Question 2: An investigation has been carried out to investigate
which of the beverages that two separate companies put on the
market is consumed more by consumers. In the first sample of 100
people, the average monthly consumption was 5 liters, in the second
sample of 110 people, the average monthly consumption was 7 liters,
and the standard deviations were 2 and 3 liters, respectively. Test
unilaterally according to the 5% significance level.
A study was carried out to determine whether the resistance of a control circuit in a...
A study was carried out to determine whether the resistance of a
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circuit in a machine is lower when the machine motor is running.
To
investigate this question, some of the control circuits were tested
as
follows. Their resistance was measured while the machine motor was
not
running and then again while the motor was running for a certain
period of
time. The values found are listed in ‘Dataset’, with
kilo-Ohms
as the unit of measurement. Answer the following...
An experiment was carried out to study the effect of the percentage of ammonium (Factor A)...
An experiment was carried out to study the effect of the
percentage of ammonium (Factor A) and the stir rate (Factor B) on
the density of the powder produced. The results are in the
accompanying table. Complete parts (a) through (e).
At the 0.01 level of significance is there an interaction
between the percentage of ammonium and the stir rate?
- Stir_Rate -
Percent_of_Ammonium 100 150
2% 10.83 8.49
2% 14.64 6.84
2% 18.46 9.05
2% 15.86 9.54
30% 12.29 ...
There is a common perception, also among biologists/ecologists, that plant breeding has been carried out by...
There is a common perception, also among biologists/ecologists,
that plant breeding has been carried out by and benefited mostly
large pesticide/seed companies like such as Monsanto. Provide in
three sentences key arguments that could be used to efficiently
counteract such a generalized statement
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