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Eventually, he analyzed it and came with a conclusion regarding his hypotheses.
Q. 1b What are the research questions that are the basis for this study? What is the research hypothesis, if it is present? (There may be several, so
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
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A good research design has four component parts, each of which helps in enhancing the quality of the study and reducing errors (Frankfort-Nachmias & Nachmias, 2008).
3) It allows
The slope of the graph is 0.39 and the y-intercept is 43.714. The equation of the graph is as follows, Y=43.715+0.39x. R and R squared. From excel, the values for R and R squared are 0.678 and o.46 respectively. Interpretation of the findings. From the graph, the coordinates are evenly distributed across the line of fit.
There may be a number of variations when considering the situations at hand. However, in order to keep the calculations simple enough, the possibilities of their birthdays lying in a leap year and that of the two people having
The article shows how low family income usually translates into low SAT scores by use of graphs. Individuals whose family had a higher income were more likely to perform better than their counterparts were.
Both bar and line graphs are used in this article, and they
In sum, the increased number of liquor store is not the sole cause for the criminal activities but could be a contributory factor.
Do you think that the abundance of liquor stores in low income neighborhoods might be the
This mainly took the form of in-depth interviews, which were administered in sets of 25 for each city in the Budapest Metropolitan Region (130). Leaders and firm managers were the main respondents of the interviews in order to explain their decisions
This paper seeks to offer a basis for predicting beverage sales for Westar hotel. The paper will use regression analysis to establish a model for predicting sales of the hotel’s beverage sales (Freund, Wilson, and Sa, 2006).
The sets of data used in the
In a research by Nazim Ali said, “Dissatisfied employees create many problems for their organization inspite of solving it problems”. In the educational sectors, dissatisfied employees may exhibit behaviors that can lead to poor results or they may engage in counterproductive activities such as theft, poor service, sabotage of equipment.
James depicts the innovation by the community when faced with a shortage of resources, a fact derived from the Latino community behavior. The community makes use of the little amenities at their disposal to create survival opportunities that
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
Given the numbers $1, $1, $1, $1, $2, $2, $2, $3 and $14, the mean is $3, the model is $1 and the median is $2. The use of the mean as a measure of central tendency has its advantages such as it being the most popular measure used and it is useful when comparing sets of data (Oswego City School District Regents Exam Prep Center, n.d.). The major drawback of using the mean is that it is affected by extreme values.
The author seems to have gathered his research through fieldwork, and the data gathered are mainly from observations. This means that the author uses qualitative research processes in formulating his analysis and conclusions regarding the
An increase in advertising budget has always increased the levels of sales over time. Forecast in revenue generated or sales would be:
This means that if the company is invest more in advertising budget, an approximated 2,294 million USD
As one method, correlation and covariance matrices may be derived from numeric data columns in which there are two options: storing computation results in an auto-generated worksheet or exhibiting outcomes in a tabular form which may be filled in by color-coded values. This is limited, however, to storage in a single worksheet.
The objective of the researcher is to use the data set to test the impact of music on the growth (height) of plants. In this problem, the dependent variable is the height of the plants. The independent variable is the exposure of the plants to music. The independent variable is a categorical variable that assumes 2 values that is whether plants are subjected to music or not.
The author states that experience is the material studied and interpreted and is obtainable from a broad range of means including interviews, examination, or personal experience. There is a considerable quantity of interest in the possible contribution of qualitative methods in key psychological journals.
could use a between-groups design where one group of subjects would view pictures of men with moustaches while the other group viewed pictures of men without them, but the repeated-measures design is a more powerful (better chance of correctly rejecting the null hypothesis)
The schools that have made it mandatory requirements for students to take the LSAT in the U.S. are all members of the Law School Admissions Council (LSAC) (Burdette 4). According to Michigan State University, most Law Schools have adopted the LSAT admissions criteria to improve their overall rankings in the LSAC (128).
If I came across someone who did not smoke, I simply moved onto the next person. The graph above shows the results of the survey that I conducted with male smokers. On average, I found that men smoked 5.73 times per day (172 collective times divided
Some possibilities might be: Mean, median, proportion, odds ratio (OR), hazard ratio (HR), vaccine efficacy (VE), etc. Note: Confidence intervals (CI) and P-values are not
A sample of 289 normal baby delivery patients was obtained. There were four key variables of primary interest; charges, days, physician and payor. Descriptive analysis, correlation and regression analyses were conducted using Minitab
The dependent variable was life without parole “LWOP” while the independent variable was the defendant’s age. There were two main variables to be examined in the present study; LWOP and the defendant’s age. The vignettes were randomly assigned to the participants. The participants recorded their responses for variable LWOP on a 5-point Likert-type scale.
The author states that this data is then stored in a secure storage device as it waits to be processed into meaningful data, which is achieved through the processing of information. Manipulation of the data input is with an application program in order to obtain the desired output through the extraction of diagrams, reports, and tables.
The mean number of times cannot be computed because it is specified in the table that two students eat fast food 5 or more times per week. In order to calculate the mean, we need to have the exact value of a maximum number of times they eat fast food for a week so that the value of ∑fx can be calculated and hence the mean.
The approach discussed in the paper would provide a sufficient amount of data to be part of statistical analysis like a repeated measures t-test that would provide precise information about the significance of any difference between the recorded and non-recorded conditions. I could have the data recorded by another person, thereby eliminating the possible confounds associated with self-reporting.
However, this violation of normality could be due to the relatively small size of the data sets.
Conclusion: The results do not sustain our earlier assertion that the mean tensile strength is equal at different levels of weight percent of cotton.
The simplicity of vectors makes it the best choice for beginners. The restriction on the type of data makes it suitable for numeric data analysis of one variable. Lists are the data structure of choice for multivariate and tabular data. Saving and loading large amounts of data from files is easier with lists. Lists and vectors both have their own strengths and weaknesses
The study conducted by Narayana and Sunil (204) used statistical tools to be able to prove the equivalence of their proposed method to the reported or standard methods already available in the literature.The study that was conducted is a two-sided test, wherein the hypothesis is that the results from the proposed and reported methods are not different.
D2 is a dummy variable that takes the value 1 if the distance of the coast from the property is within 1 to 5 KM and 0 otherwise. Therefore, the estimated coefficient on this variable reflects whether the proximity of the coast is within 1 to 5 KM has any impact on the price of the property or not.
Ethnic rivalries, of course, involve two or more national, ethnic groups which are competing against each other for various reasons. Ethnic rivalry, as a non-state conflict, is recurring as gleaned upon historical data and is even persistent. It is found out that ethnic conflicts are still continuing in Afghanistan, Burma, and Chad (Political Instability Task Force).
This variable may be considered a ratio level variable because of its attributes. First, differences between different levels of ratio level variables have the same meaning (Rubin, 2009, p. 24). That is, the difference in
Statistical tools are used in research to provide evidence-based results that will be able to support the hypothesis formulated for the research. Statistical tools also aid in quantifying the error or bias present in the study (fao.org). Different researchers in the field of medicine use these statistical tools to be able to compare data and derive significant conclusions from the surveys or case studies that are conducted.
In simplest of terms, sample is a subset of population which is the whole set for which we want to make inferences about. Generally the sample is used to make
Specifically, this report uses statistical tools to find out if male and female employees have different degrees of intrinsic job satisfaction and if hourly and
ty of error for each comparison made; the chances for type I error to occur across a large number of comparisons keeps increasing exponentially with the number of comparisons (Guilford, & Fruchter, 1973). For three groups, there will be 3 comparisons; for four groups there will
I think most successful companies are able to offer a generous salary to CEO’s as a result of company success. If a company makes $20 billion dollars a year then a generous salary of
Data sets were processed through statistical software to identify whether the costs of schooling and the fiscal budget for education can affect the rate of enrollment. The results show that while the average rate of tuition fees and the cost of the board has significant effects on enrollment rates in higher education, other factors were not able to show their significance.
Numerous states were higher on average, but the highest in terms of total deaths was American Samoa (1,054.4), which is an unincorporated territory of the United States. West Virginia (951.7), Mississippi
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The hospital watches its patient fall rates and if it’s too high they try to improve their performance and reduce mistakes and make effective decisions.
By looking at statistical information like an increase in the
Author Ralph Kimball sets out to do the same, as he proposes a list of 20 criteria for what makes a system ‘dimensional’. Each criterion can be assigned a value of ‘0’ (bad) or ‘1’ (good) and then added up to arrive at the final rating. A score of 20 would indicate a system that is fully supportive of a dimensional approach.
references and it was a very clear piece that illustrated their point very well, which was that children, especially babies should not be removed from their birth parents until all recourses had been exhausted. If they are than the process should be completed before the infant
To satisfy customer demand, three components must be completed to determine the appropriate levels of inventory. First, the overall cost and retail value of the goods that have been purchased need to be known. Second, the firm needs to know those same variables for the goods that are available for sale.
If we were comparing this response to individual students’ grades, then Spearman’s rank correlation coefficient would be the best fit.
On the other hand, if we had two
This is important when interpreting data because the best results can be attained through a sampling process that has very few outliers. Ideally, the number of participants, or variables, in a study should be totally random in order to attain validity. If a study