Question
In: Statistics and Probability
A B C 8 24 19 12 16 28 22 22 24 15 14 31 18...
| A | B | C |
|
8 |
24 | 19 |
| 12 | 16 | 28 |
| 22 | 22 | 24 |
| 15 | 14 | 31 |
| 18 | 20 | 19 |
| 9 | 32 |
Test at the 5% level of significance to see if the means are all the same.
1. What is the null and alternate hypotheses?
2. What is the p-value?
3. Decide if you reject or accept (fail to reject) your null hypothesis.
4. Decide if you reject or accept (fail to reject) your claim.
Solutions
Expert Solution
| Group 1 | Group 2 | Group 3 | |
| 8 | 24 | 19 | |
| 12 | 16 | 28 | |
| 22 | 22 | 24 | |
| 15 | 14 | 31 | |
| 18 | 20 | 19 | |
| 9 | 32 | ||
| Sum = | 84 | 96 | 153 |
| Average = | 14 | 19.2 | 25.5 |
| ∑iXij2 | 1322 | 1912 | 4067 |
| St. Dev. = | 5.404 | 4.147 | 5.753 |
| SS = | 146 | 68.8 | 165.5 |
| n = | 6 | 5 | 6 |
orchestra answered 1 year agoRelated Solutions
Given the following numbers: 25 16 61 18 15 20 15 20 24 17 19 28,...
Given the following numbers: 25 16 61 18 15 20 15 20
24 17 19 28, derive the mean, median, mode, variance, standard
deviation, skewness, kurtosis, range, minimum, maximum, sum, and
count. Interpret your results. What is the empirical rule for two
standard deviations of the data?
Given the following numbers: 25 16 61 18 15 20 15 20 24 17 19 28,...
Given the following numbers: 25 16 61 18 15 20 15 20 24 17 19
28, derive the mean, median, mode, variance, standard deviation,
skewness, kurtosis, range, minimum, maximum, sum, and count.
Interpret your results. What is the empirical rule for two standard
deviations of the data?
79, 19, 16, 64, 28, 28, 31,90, 60, 56, 31, 56, 22, 18, 45, 48, 17,...
79, 19, 16, 64, 28, 28, 31,90, 60, 56, 31, 56, 22, 18, 45, 48,
17, 63, 69, 17
with these number find
a) Frequency distribution
b)Frequency polygon
c) less than cumulative frequency polgon.
Resident Commuter 22 25 27 23 26 28 26 24 18 20 19 18 22 25...
Resident
Commuter
22
25
27
23
26
28
26
24
18
20
19
18
22
25
24
35
25
20
26
24
27
26
18
19
23
18
23
22
28
25
20
24
18
30
26
18
18
19
32
23
26
30
22
22
22
21
18
20
19
19
18
29
19
22
18
22
19
26
35
19
19
18
19
32
26
19
19
21
23
18
20
18
29
23
21
19
36
27...
Consider a sample with data values of 27, 24, 22, 15, 31, 33, 28, and 24....
Consider a sample with data values of 27, 24, 22, 15, 31, 33,
28, and 24. Compute the range, interquartile range, variance, and
standard deviation (Round to 2 decimals, if necessary).
For the stress data given below with the nearest error of 1: 27-17-11-24-36-13-29-22-18 23-30-12-46-17-32-48-11-18 18-32-26-24-38-24-15-13-13 18-21-27-20-16-15-37-19-19...
For the stress data given below with the nearest error of 1:
27-17-11-24-36-13-29-22-18
23-30-12-46-17-32-48-11-18
18-32-26-24-38-24-15-13-13
18-21-27-20-16-15-37-19-19
a) Construct a frequency distribution table.
b) Construct the three types of statistical graphs.
c) Determine the (1) Mean, (2) Median, (3) Mode, (4) Range,
Variance, and (6) Standard Deviation.
For the following data set, 5, 9, 12, 15, 19, 21, 22, 22, 24, 26, 27,...
For the following data set, 5, 9, 12, 15, 19, 21, 22, 22, 24,
26, 27, 27, 31, 33, 33, 34, 37, 38, 60, 70 a) Find the quartiles Q1
Q2 Q3 b) Find the five number summary c) Find the interquartile
range (IQR) IQR = d) Find the lower limit LL = e) Find the upper
limit UL = f) Identify the potential outliers (Separate each
outlier with a comma. Write NPO if there is no potential outlier)
The...
Table - 02 Hardwood Concentration 5% 10% 15% 20% 7 12 14 19 8 17 18...
Table - 02
Hardwood Concentration
5%
10%
15%
20%
7
12
14
19
8
17
18
25
15
13
19
22
11
18
17
23
9
19
16
18
10
15
18
20
A manufacturer of paper used for making grocery bags is
interested in improving the tensile strength of the product.
Product engineering thinks that tensile strength is a function of
the hardwood concentration in the pulp and that the range of
hardwood concentrations of practical interest is between...
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%
12%
14%
15%
16%
18%
20%
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...
Total Snowfall (inches) 11 18 18 13 22 22 21 30 24 Visitors 13 14 18...
Total Snowfall (inches)
11
18
18
13
22
22
21
30
24
Visitors
13
14
18
15
22
22
29
44
29
Total Snowfall (inches)
45
27
59
33
49
51
31
64
23
Visitors
36
37
42
43
47
51
49
61
51
Total Snowfall (inches)
Visitors
Total Snowfall and Number of Visitors at Yellowstone
National Park
The table above shows the total snowfall (in inches) and the
number of visitors to Yellowstone National Park during 18 randomly
selected...
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