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STATISTICAL ANALYSIS
Statistical analysis
Statistical analysis
Introduction
The unique presentation of data is one of the first steps taken before performing any statistical test. The language of data is important for many large corporations; a single table of reliable data can summarize whole information into tables and graphs rather than in written words. There ...
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Analysis of scenario
Analysis of scenario
Question #1
Following is the hierarchy of management-research question:
1. What is the current issue that Penton is facing?
2. How can the management of Penton capitalize on the present opportunity?
3. What actions can Penton take for availing the opportunity?
4. Which alternative is best? For this, the manager need ...
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CONCEPT MAPPING WORKSHEET
Concept Mapping Worksheet
Concept Mapping Worksheet
Item 1 - State a possible research hypothesis. If the article doesn't provide a hypothesis, restate the researchers' purpose as specifically as possible in a testable way (so that we could use inferential statistics to test the hypothesis).
The Null hypothesis is; H0: elements ...
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BEETLE ANALYSIS
Beetle statistical analysis
Beetle statistical analysis
A. Scientific Hypotheses
Is there any association between habitats and morphs of beetles? (1st scientific question)
H0: There is no correlation between habitat and morphs of beetles.
H1: There is a correlation between habitat and morphs of beetles.
Do the sexes differ in size and morph ...
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Frequency Distributions and Central Dispersion
[Name of the Author]
Table of Contents
Case Assignment1
Case 11
Case 22
Wendy's2
MacDonald's3
Comparison of both the samples3
Case 34
Case 46
References8
Session Long Project (SLP)9
References12
Case Assignment
Case 1
To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted ...
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Math 201 Module 1
Math 201 Module 1
Problem 1
P (Car Accident) = 177/ 177 + 107 = 0.623
Problem 2
Number of members earns greater than $102,000 = 11
Total number of members = 20
P (x>102) = 11 / 20 = 0.55
Problem 3
Number of students from Kenilworth = 8
Total number of students = ...
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Math 201 Module 2
Math 201 Module 2
Problem 1
Mean = = 68.44 years of age.
Problem 2
Rearranging the data will give us:
27 30 152 201 212 218 239
For odd numbers Median = (n+1)/2 = (7 + 1)/2 = 4th value
The median number of newspapers sold = 201
Problem 3
Rearranging the data ...
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Fujiyama Electronics Case Study
Fujiyama Electronics Case Study
Introduction
Fujiyama electronics has had difficulty with their circuit board manufacturing and has attempted to determine the problem. Thirty samples were taken of four boards each due to unacceptable variability and the results from each data set were placed in a chart. (Staff Writer, ...
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ANOVA & Least Squares
[Name of the Author]
Table of Contents
Case Assignment1
Case 11
Case 24
Case 37
Case 49
ANOVA Single Factor9
References11
Session Long Project (SLP)12
References13
Case Assignment
Case 1
SUMMARY OUTPUT
Regression Statistics
Multiple R
0.966977263
R Square
0.935045027
Adjusted R Square
0.926925656
Standard Error
1.900607384
Observations
10
Coefficients
Standard Error
t Stat
P-value
Intercept
-1.10153256
0.60561287
-1.818872455
0.106435653
X
1.996168582
0.186012514
10.73136714
4.99937E-06
Lower 95%
Upper 95%
Lower 95.0%
Upper 95.0%
-2.49807834
0.295013213
-2.498078347
0.295013213
1.567222956
2.425114209
1.567222956
2.425114209
From the above output the equation for regression can be obtained. The linear regression model is ...
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Sampling Methods
[Name of the Author]
Table of Contents
Case Assignment1
Case 11
Stratified Random Sampling1
Case 23
SRS3
Case 34
Cluster Sampling4
Case 45
Systematic Random Sampling5
Case 56
References8
Session Long Project (SLP)9
References10
Case Assignment
Case 1
In this case the stratified random sampling is used as the population consisted of three distinct subgroups
Stratified Random Sampling
In this type of sampling the population is divided ...