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COURSEWORK
Coursework
Coursework
TASK 1
Independent Samples Test
Levene's Test for Equality of Variances
t-test for Equality of Means
F
Sig.
t
df
Sig. (2-tailed)
Mean Difference
Std. Error Difference
99% Confidence Interval of the Difference
Lower
Upper
Donor status
Equal variances assumed
186.405
.000
-9.23
8248
.000
-.101
.011
-.129
-.073
The resulting confidence interval is (-0.129, -0.073). The results of the test 99% confidence interval sample proportions suggest that there is a significant ...
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CRITICAL ANALYSIS
Critical analysis of the research scenarios
Critical analysis of the research scenarios
Scenario 1
Introduction
It is a widely known perception that nowadays because of the technology, class lectures for the students have become least interesting and they usually do not to attend the lectures. For this purpose, a researcher organizes ...
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EXPERIMENT
An experiment to establish whether the level of processing effects word recollection
An experiment to establish whether the level of processing effects word recollection
Introduction
Level of processing affected recall from reading span, differed from Rose et al.'s (2010) finding that LoP did not affect recall on their novel LoP ...
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LEVELS OF MEASUREMENT
Levels of Measurement, Measures of Central Tendency and Dispersion
Levels of Measurement, Measures of Central Tendency and Dispersion
I: Levels of Measurement, Measures of Central Tendency and Dispersion
From the ESS identify
one variable measured at the nominal level
These are numeric variables whose values ??represent a category or identify ...
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Data Analysis
Data Analysis
Probability
Question 1
Probability of success = 625/780
p = 0.801,q = 1-p = 0.198
Mean = = np = 625
Standard deviation = = 780 625 0.198 = 124.2
Now, for the 98% confidence interval
= 625 3.250(124.2)
= (221.35, 1028.65) is the 98% confidence interval for the households having personal computer.
Yes, the ...
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ANALYSIS
Understanding and Managing Marketing Information
Understanding and Managing Marketing Information
Task 1
Batch 3: Production Run A
Lifespan in Hours
Number of Bulbs (f)
(x-mean)
(x-mean)^2
Under 1100
5
-9
81
1100 and under 1200
0
-14
196
1200 and under 1300
4
-10
100
1300 and under 1400
10
-4
16
1400 and under 1500
14
0
0
1500 and under 1600
40
26
676
1600 and over
27
13
169
Total
100
1238
Mean
= 100/7 = 14
Standard Deviation
1238
7-1
Standard Deviation
206
Coefficient of Variation
206
14
Coefficient of Variation
14
Task 2
Batch 4: Production ...
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Linear Modeling
Linear Modeling
Introduction
Trendlines are used to graphically display trends in data and to help analyze problems of prediction. Such analysis is also named regression analysis. By using regression analysis, you can extend a trendline in a chart beyond the actual data to predict future values. For example, the following chart ...
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Quantitative Methods: WATS Assessment 1
Quantitative Methods: WATS Assessment 1
Introduction
In this paper we will be discussing the project management tasks. Mainly we will discuss network diagram, and Gantt charts. Education research has moved away largely from the numbers approach in recent years, and the emphasis has been on qualitative methods. ...
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BUSINESS STATISTIC
Business Statistic
Business Statistic
Problems
Problem No. 1
a) Standard Error of Mean = (popstdev)/ vn
Thus, the standard error of mean is 350 / v196 = 25
b) (ME) Margin of Error = z (sub alpha / 2) x SE (Mean)
Thus, for 0.95 level of confidence with the z value of 1.96;
The ...
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The Blocking Effect on Human Associative Learning of Changing the Unconditioned Stimulus
The Blocking Effect on Human Associative Learning of Changing the Unconditioned Stimulus
Introduction
The process whereby cues become associated with primary rewards has been studied in animals dating back to the early 1900s, beginning perhaps with Ivan Pavlov. This procedure ...