Question
In: Statistics and Probability
3 6 4 8 1 10 2 9 11 12 15 22 3 6 7 5...
| 3 | 6 | 4 | 8 | 1 |
| 10 | 2 | 9 | 11 | 12 |
| 15 | 22 | 3 | 6 | 7 |
| 5 | 8 | 1 | 12 | 14 |
Each column represents a different treatment given to sick rats. Each cell is a different rat. Use statistical analysis and use post hoc testing using contrasts to find the best treatment.
Treatment 1: vitamins
Treatment 2: prescription pills
Treatment 3: brain surgery
Treatment 4: shock therapy
Treatment 5: dietary changes
Solutions
Expert Solution
| Anova: Single Factor | ||||||
| SUMMARY | ||||||
| Groups | Count | Sum | Average | Variance | ||
| Column 1 ( vitamins ) | 4 | 33 | 8.25 | 28.91666667 | ||
| Column 2 ( prescription pills ) | 4 | 38 | 9.5 | 75.66666667 | ||
| Column 3 ( brain surgery ) | 4 | 17 | 4.25 | 11.58333333 | ||
| Column 4 ( shock therapy ) | 4 | 37 | 9.25 | 7.583333333 | ||
| Column 5 ( dietary changes ) | 4 | 34 | 8.5 | 33.66666667 | ||
| ANOVA | ||||||
| Source of Variation | SS | df | MS | F | P-value | F crit |
| Between Groups | 72.7 | 4 | 18.175 | 0.577289571 | 0.683540644 | 3.055568 |
| Within Groups | 472.25 | 15 | 31.4833333 | |||
| Total | 544.95 | 19 | ||||
Since we see that P-value of ANOVA test>0.05 so there is insufficient evidence that the 5 treatments are not all equal. Hence we can conclude that these 5 treatments are equally effective. Therefore we do not need to perform post hoc test.
orchestra answered 1 year agoRelated Solutions
Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...
Day
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Number of Aides Absent
5
8
11
15
4
2
7
1
4
6
14
19
3
5
8
In which of the following ranges you can find the Upper Control
Limit of the control chart?
0.1427
0.1536
0.1677
Not computable with information available
In which of the following ranges you can find the Lower Control
Limit of the control chart?
Does not exit...
student 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...
student
1
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Test score
67
67
87
89
87
77
73
74
68
72
58
98
98
70
77
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Find the sample size, mean, and standard deviation of the data
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Match No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14...
Match No.
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Player A
8
42
56
68
91
123
12
46
57
137
5
80
14
10
19
Player B
38
44
46
59
57
61
48
42
51
39
58
41
55
45
68
1. For the given data set representing the runs scored by two
players in last 15 matches, conduct the following analysis:
i. Which average you will use to summarize...
Input Data Month 0 1 2 3 4 5 6 7 8 9 10 11 12...
Input Data
Month
0
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Revenue
$
-
$
-
$
-
$ -
$ -
$
-
$ 2,500
$ 2,875
$ 3,306
$ 3,802
$ 4,373
$ 5,028
$ 5,783
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$ 7,648
$ 8,795
$ 10,114
$ 11,631
$ 13,376
$ 15,382
$ 17,689
$ 20,343
$ 23,394
$ 26,903
Monthly Revenue Growth...
Input Data Month 0 1 2 3 4 5 6 7 8 9 10 11 12...
Input Data
Month
0
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Revenue
$
-
$
-
$
-
$ -
$ -
$
-
$ 2,500
$ 2,875
$ 3,306
$ 3,802
$ 4,373
$ 5,028
$ 5,783
$ 6,650
$ 7,648
$ 8,795
$ 10,114
$ 11,631
$ 13,376
$ 15,382
$ 17,689
$ 20,343
$ 23,394
$ 26,903
Monthly Revenue Growth...
Periods 1% 2% 3% 4% 5% 6% 7% 8% 9% 10% 12% 14% 15% 16% 18%...
Periods
1%
2%
3%
4%
5%
6%
7%
8%
9%
10%
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1
0.990
0.980
0.971
0.962
0.952
0.943
0.935
0.926
0.917
0.909
0.893
0.877
0.870
0.862
0.847
0.833
2
0.980
0.961
0.943
0.925
0.907
0.890
0.873
0.857
0.842
0.826
0.797
0.769
0.756
0.743
0.718
0.694
3
0.971
0.942
0.915
0.889
0.864
0.840
0.816
0.794
0.772
0.751
0.712
0.675
0.658
0.641
0.609
0.579
4
0.961
0.924
0.888
0.855
0.823
0.792
0.763
0.735
0.708
0.683
0.636...
Table: x: 6, 2, 15, 9, 12, 5, 8 y: 8, 9, 4, 7, 6, 9,...
Table:
x: 6, 2, 15, 9, 12, 5, 8
y: 8, 9, 4, 7, 6, 9, 8
1) Make the scatter diagram.
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Given the matrix 7 7 -4 12 -5 A = 9 10 2 6 13 8 11 15 4 1 3. a. Sort each column and store the result in an array B.
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For the data set 1 2 3 4 7 7 7 8 11 12 12 15...
For the data set
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(a)...
x 2 8 5 9 4 3 9 6 7 8 y 3 6 5 7...
x 2 8 5 9 4 3 9 6 7 8
y 3 6 5 7 9 7 4 6 9 9
-5.48x + 0.17
5.48x + 0.17
-0.17x + 5.48
0.17x + 5.48
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