Question
In: Statistics and Probability
Samples were taken at three different locations in a river to determine whether the quantity of...
Samples were taken at three different locations in a river to
determine whether the quantity of dissolved oxygen, the measure of
water polution, varied from one location to another. The results
are given in the table below.
what would be the value of SS(treatment)? |
Solutions
Expert Solution
Solution-
the value of SS(treatment) = 12.925
- Step by step ANOVA Calculations-
In this output treatment is denoted between and error is denoted within
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orchestra answered 1 year agoRelated Solutions
Water samples from a certain river in North Carolina were taken at 16 different locations and...
Water samples from a certain river in North Carolina
were taken at 16 different locations and tested for lead. Here are
the data:
sample
lead (mg/L)
1
0.23
2
0.39
3
0.17
4
0.20
5
0.18
6
0.16
7
0.25
8
0.14
9
0.00
10
0.17
11
0.00
12
0.06
13
0.10
14
0.02
15
0.09
16
0.12
If the lead contamination level goal is 0.00 mg/L, what
percentage of these river locations need decontamination
work?
Use technology to make...
Where are the deer? Random samples of square-kilometer plots were taken in different ecological locations of...
Where are the deer? Random samples of square-kilometer plots
were taken in different ecological locations of Mesa Verde National
Park. The deer counts per square kilometer were recorded and are
shown in the following table.
Mountain Brush
Sagebrush Grassland
Pinon Juniper
31
20
8
32
56
3
22
17
6
27
19
5
Shall we reject or accept the claim that there is no difference
in the mean number of deer per square kilometer in these different
ecological locations? Use...
Where are the deer? Random samples of square-kilometer plots were taken in different ecological locations of...
Where are the deer? Random samples of square-kilometer plots
were taken in different ecological locations of a national park.
The deer counts per square kilometer were recorded and are shown in
the following table.
Mountain Brush
Sagebrush Grassland
Pinon Juniper
30
24
10
32
56
7
22
14
6
34
17
7
Shall we reject or accept the claim that there is no difference
in the mean number of deer per square kilometer in these different
ecological locations? Use a...
Where are the deer? Random samples of square-kilometer plots were taken in different ecological locations of a national park.
Where are the deer? Random samples of square-kilometer plots were taken in different ecological locations of a national park. The deer counts per square kilometer were recorded and are shown in the following table.
Mountain Brush
Sagebrush Grassland
Pinon Juniper
30
15
4
30
57
9
20
21
8
25
23
4
A) Find SSTOT, SSBET, and SSW and check that SSTOT = SSBET + SSW. (Use 3 decimal places.)
B) Find d.f.BET, d.f.W, MSBET, and MSW. (Use 4 decimal places...
Soil samples from nine locations at a site are taken to determine the bearing capacity in...
Soil samples from nine locations at a site are taken to
determine the bearing capacity in kN/m^2. The results are
summarized:
23.1, 42.4, 30.3, 31.0, 28.4, 39.3, 32.4, 27.4, 38.0
(a) Estimate the mean, standard deviation, and COV of the
data
(b) Compute the standard error of the mean.
(c) Establish 95 percent confidence intervals for the mean.
(d) Using the COV from (a) how many samples must be tested to
have +/- 10 percent error for the mean at...
Samples of both surface soil and subsoil were taken from eight randomly selected agricultural locations in...
Samples of both surface soil and subsoil were taken from eight
randomly selected agricultural locations in a particular county.
Soil was analyzed to determine both surface PH and subsoil PH, with
the results shown in the following table.
At the 5% level of significance, does the data indicate that the
mean pH of topsoil is lower than the mean pH of subsoil? Conduct
the hypothesis test.
Location
1
2
3
4
5
6
7
8
Surface PH
6.55
5.98
5.59...
Samples of computers are taken from two county library locations and the number of internet tracking...
Samples of computers are taken from two county library locations
and the number of internet tracking spyware programs is counted.
The first location hosted 21 computers with a mean of 4.1 tracking
programs and a standard deviation of 0.8. The second location
hosted 19 computers with a mean of 6.2 tracking programs and a
standard deviation of 1.2.
a) Please calculate the appropriate standard error statistic for
the scenario provided.
b)Please calculate a confidence interval around your point
estimates as...
Samples of computers are taken from two county library locations and the number of internet tracking...
Samples of computers are taken from two county library locations
and the number of internet tracking spyware programs is counted.
The first location hosted 21 computers with a mean of 4.1 tracking
programs and a standard deviation of 0.8. The second location
hosted 19 computers with a mean of 6.2 tracking programs and a
standard deviation of 1.2.
a) Please calculate the appropriate standard error statistic for
the scenario provided.
b)Please calculate a confidence interval around your point
estimates as...
The following data were obtained in a study using three separate samples to compare three different...
The following data were obtained in a study using three separate
samples to compare three different treatments. Conduct an analysis
of variance with α=0.05α=0.05 to determine whether these data are
sufficient to conclude that there are significant differences
between the treatments.
Treatment A
Treatment B
Treatment C
6
4
11
8
6
9
7
6
9
7
4
7
F-ratio =
p-value =
Conclusion:
These data do not provide evidence of a difference between the
treatments
There is a significant...
The following data were obtained in a study using three separate samples to compare three different...
The following data were obtained in a study using three separate
samples to compare three different treatments. Conduct an analysis
of variance with α=0.05α=0.05 to determine whether these data are
sufficient to conclude that there are significant differences
between the treatments.
Treatment A
Treatment B
Treatment C
22
21
22
23
19
24
21
19
24
22
21
26
F-ratio =
p-value =
Conclusion:
There is a significant difference between treatments
These data do not provide evidence of a difference...
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