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Statistic Assignment
4 pages (1000 words) , Assignment
Past experience indicates that an average number of 6 customers per hour stop for gasoline at a gasoline pump. What is the probability of (a) three customers stopping in any hour? (b) Three customers or less in any
Health epidemiology & statistics
8 pages (2000 words) , Essay
The research problem is stated the sixth paragraph of the study. The study presents the article’s statement of purpose. The study uses pre-existing groups because the workers are randomly assigned and not shuffled to engage within different sites.
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Experimental Designs II
3 pages (750 words) , Statistics Project
This approach reduces noise in experiments by minimizing extreme deviations in groups’ observations. It reduces noise by eliminating outliers in collected data
Statistics
1 pages (250 words) , Assignment
In deed, my grasp of the content taught fascinated me. Overall, the course was very interesting. I found it motivating using the statistics disc to analyze data. My favorites were the MSL assignments, hypothesis testing, descriptive
Statistics practice 2
1 pages (250 words) , Essay
This is not a practical difference. b. A small effect is less than 0.30, a medium effect is from 0.30 to 0.50 and a large effect is more than 0.50. Thus the 0.03 effect
3 pages (750 words) , Lab Report
Six bins may be defined: 20-30 years; 31-40 years; 41-50 years; 51-60 years; 61-70 years; and 71-80 years. The percent distribution is found using COUNTIF Excel function. The results
On the Efficiency of AC/DC: Bon Scott versus Brian Johnson
2 pages (500 words) , Assignment
Similarly, Johnson joined the AC/DC rock band in 1980 to replace Scott. Johnson featured as the main vocalist in nine albums produced even into the 1900s. The Scott versus Johnson competition to establish the best rock vocalist reveals that
Princeton Review
2 pages (500 words) , Essay
In order to incorporate a students’ opinion in the surveys data, the student must complete all sections of the survey, which include about himself/ herself, school academics, student and life at
Statistics
1 pages (250 words) , Research Paper
(Nahid & Leila) apply confidence intervals in the study “Comparison of Intelligence Quotient in Children surviving leukemia who Received Different Prophylactic Central Nervous System
No title
2 pages (500 words) , Coursework
Thus, there is enough evidence to conclude that there is a difference in the proportion of slow-moving stock. In conclusion, there has been decrease in cost
Descriptive Statistics
1 pages (250 words) , Case Study
Subsequently, the study uses measures of spread such as standard deviation in the analysis of the results by the use of aspects such as out if the 113,476 telephone numbers of respondents sampled, 59%
Survey Design
2 pages (500 words) , Assignment
Privacy, confidentiality, and anonymity of the participants are of high priority to the researcher. Your participation in the research will end after sending the questionnaire unless you require the
Central tendency
1 pages (250 words) , Statistics Project
The three major measures of central tendency include the mean, mode and the median which describe a completely different indication of a central value in the distribution. Theft is the common crime in my community. The data of theft cases varies from time to time
Prepare a report presenting the results of the analysis of recent trends in sales, costs and profits of a chosen company
10 pages (2500 words) , Statistics Project
To this effect, I have uploaded my work onto Turnitin and have ensured that I have made any relevant corrections to my work prior to
SAMPLING
2 pages (500 words) , Speech or Presentation
3. An education expert is researching teaching methods and wishes to interview teachers from a particular school district. She randomly selects ten schools from the district and interviews all of the teachers at the selected schools. Does this
Required to perform an Analysis of Variance using SPSS
3 pages (750 words) , Essay
In different parts of the country, advertisements are placed with either the local TV or a local radio station. The length of the advertisements is characterized as short, medium or long. Each combination of media and
Criteria for Causality
2 pages (500 words) , Essay
Hence, correlation alone is not causality, but can be considered as a determining factor. (Verma and Pearl, 1990) According to Statistical Assessment Service (2012) under the sponsorship of George Mason University, “In general, we should all be wary of
Stat assigment
10 pages (2500 words) , Assignment
But, how does a consumer know which one contains the lowest calorie among so many brands? That is why this assignment focuses on statistical evaluation of calories of breakfast cereals. This analysis will help a consumer to
Understanding Research techniques in nursing
2 pages (500 words) , Essay
On that note, the type of descriptive statistical method to be used to describe a particular variable is dependent on the level of measurement employed by the analyst. For instance,
Descriptive statistics spreadsheet in Excel including graphs
2 pages (500 words) , Statistics Project
There is 95% confidence that the number of employees average is between 22.24 and 31.36. The data consisted of ten points and was normally distributed. The lowest reported crime rate was 1.35 and the highest reported rate was 4.15. average crime
Project Paper Part C
9 pages (2250 words) , Statistics Project
at +1, a coefficient variance of 0.75 indicates that there is a positive and strong linear-relationship between the credit balance and size of the holding. A coefficient of determination (r2) normally explains the portion of fluctuation (variance) of a particular variable
Econometrics
4 pages (1000 words) , Assignment
If this is possible, can you compute the least squares estimator for this univariate model? Are your answers in c: and d: different from your answers in a and b:?
Stats
4 pages (1000 words) , Essay
b. As shown in boxplot of the age of the buyer, there appears that the age of the buyer is approximately normally distributed with mild
Maths
1 pages (250 words) , Speech or Presentation
The relationship of these samples is that the pretest has corresponding posttest of the students. The problem involves determination of the performance of the students in terms of scores.
Assignment 5
6 pages (1500 words) , Essay
This can be a threat to external validity in case when the participants of the experiment are aware of the experiment as compared to the situation where participants are not aware of the same. The results might have been different. The major difference between the
Idols
1 pages (250 words) , Assignment
There are four idols which beset the minds of men. Firstly, idols of the tribe relate to human nature and ethnicity. An example of this relates to the need by men to see order in the universe even
Final Exam
6 pages (1500 words) , Coursework
Q6. Answer: d) Randomized controlled clinical trial It provides better evidence than the case control study or screening or cohort study because it provides causal effects inference than the other three approaches. Q11. Answer: The most likely food that
Statistic homework
3 pages (750 words) , Case Study
The company samples 90 online shoppers and collected data on day of the week for each transaction, time that the shoppers spent on the website, number of pages
Assignment
12 pages (3000 words) , Essay
It has been established that corruption is a hindrance to quality service delivery, and that once the populations learns about its true levels (especially when it is considerably high), they tend to
School Attending and Academic Performance Hypothesis Testing
2 pages (500 words) , Essay
A researcher asks whether attending a private high school leads to higher or lower performance on a test of social skills when compared to students attending public schools. A sample of 100 students from a private school produces a mean score of 71.30. The population mean (μ) for students from public high schools is 75.62.
Chi-square Distribution
5 pages (1250 words) , Essay
There are numerous statistical methods available for forecasting and deciding on the significance of various scenarios. We consider the three techniques of hypothesis testing, parametric analysis and multivariate. These three are most of the time used together since they are just the components of probability analysis.
Stata Project
12 pages (3000 words) , Essay
You get the following scores: 100, 60, 50, 75, 75, 25, 50, 100, 80, 0, 100, 40, 95, 65, 85 From the above computations, one can be 95% confident that the population mean support level of the
Case study
1 pages (250 words) , Case Study
, The Bay Area Athletic Club can only expand the membership base other than increase the monthly rate in order to generate extra revenue (Somrack, 2005).The recommendations to the management of the club on to increase revenue collection include: The management of the club
4 pages (1000 words) , Assignment
Yes the level of support among adults in the European countries appears to be different than the level of support among adults;
Threats to validity
1 pages (250 words) , Essay
e selected group or sample, external validity refers to the degree to which the findings can be inferred to other settings such as a wider population or similar settings. An example of threat to validity is the “historical effect” confounds that affects an experiment
Broyles Textbook Exercise 7
2 pages (500 words) , Assignment
From these ANOVA table above, one can conclude that MS (ERROR) and MS (B) differ significantly because P-value=0.000000697 which is a figure less than alpha value of 0.05. Thus the null hypothesis can be rejected. Moreover, the table shows
Assignment
1 pages (250 words) , Essay
The mean score given by the peers for public schools has an average of 2.84 which is slightly less than the mean score of 2.91 for private schools. Apparently, it appears that
The dataset available on Study Direct contains annual sales data and other characteristics of 400 Dutch fashion stores in 1990. The following variables appear in the data set:
8 pages (2000 words) , Essay
This section studies pairwise linear correlations of above variables with respect to Sales per square meter. Correlation
Australian Uni Important assignment(Minitab17 required)
3 pages (750 words) , Assignment
Do you think the sample would have been randomly selected from this target population? Explain your answer. Yes. Every person in the city has an equal chance of being selected.As a result the random sampling will not be biased (Sweeney, et al., 2011, pp. 142-145) ii. The
Exam
5 pages (1250 words) , Speech or Presentation
Other variables that might be associated with number of accidents include over speeding, driving under the influence of alcohol and other drugs as well as reckless driving. While rain is a natural factor, these other factors are caused by human initiatives. Driving while
HLT362V exercise 27
1 pages (250 words) , Assignment
This line shows that the increase in x (independent variable) is also associated with an increase in y (dependent variable). Thus, the independent variable postnatal age is used to predict
Stat
7 pages (1750 words) , Coursework
The 95% confidence interval for mean is (156,355.85, 165,171.72). The range is 716,000 which shows that the data is having very high variation. The test of normality was also performed which is given
Assignment
3 pages (750 words) , Assignment
(a) What null hypotheses were tested for research questions 2 and 3 listed on page 54? Be sure to include the sample in the null hypotheses statements and to use appropriate
Transportation
Similarly, students need to reach class in time and conveniently and this identifies need to understand the most appropriate types of transport. People’s opinions on available types of transport offers an insight into effectiveness, efficiency, and convenience of
Analysis of previously gathered individual presentation data
5 pages (1250 words) , Statistics Project
e three types of presentation, “Any test presentation” was coded as 1, Technical Literature Review was coded as 2 and presentation on International business was coded as 3. The presenters were also coded such that 1 denoted male and 2 denoted female. On that note, this paper
Standard Deviation and Outliers
1 pages (250 words) , Assignment
The standard deviation for the set of 5 points {2, 3, 4, 5 and 6} that are very close together is about 1.58. When a 6th point {20} that is far away from the original 5 points
Statistics Quiz Multiple choice
2 pages (500 words) , Statistics Project
If the process were repeated many times, each time selecting random samples of 500 people aged 20-24 and 450 people aged 25-29 and each time constructing a confidence interval for p1 - p2, 95% of the time the true difference between the two population proportions will lie
Marketing research
2 pages (500 words) , Statistics Project
In the survey, 48 domestic (mean = 5.7708, standard deviation = 2.2993) and 169 international students (mean = 4.6923, standard deviation = 2.6748) responded to item five of the survey. This indicates that the international students’ response was a little lower than that
Discussion topic
1 pages (250 words) , Assignment
The researcher will select 20 nurses randomly out of the 75 nurses in the hospital; there is no method of selecting the nurses (Kothari, 2012). This is where a researcher divides the entire population into
Structural Equation Modelling and Logistic regression
16 pages (4000 words) , Assignment
Despite being associated with several challenges, including fear of insecurity of personal data and theft of information leading to stealing of money. Nonetheless, uptake of the cashless payment system has been tremendous. The impacts of specific aspects (that could stand
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