hat people come in the beach to engage into.Apparently, this report is mandated with task of documenting the findings based on the observational study carried out. However, it should be noted that there were challenges encountered during the process and more of this will be
20. Equivalence of hypothesis Test and confidence Interval. Two different simple random samples are drawn from two different populations. The first sample consists of 20 people with 10 having a common attribute. The second sample consists of 2000
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Managers, therefore, bear this responsibility of ensuring that the right figures and procedures are applied while entering the numbers so that the outcomes can reflect the true form of the business. The manager, therefore, needs to be familiar with arithmetic formulae
On the other hand, the mean guilt rating was 4.0317 with a standard deviation of 1.76862 and a standard error for the mean of 0.22282 for non-witnesses. The mean value for the punishment for
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In the majority of the published researches on SPC surveyed during the literature review, the take-off point of the studies was concentrated on gaps in existing knowledge from literature. Another original contribution of this study, therefore, is its use of profiling as a springboard for proposing an MSPC-based intervention.
riable occurring before the presumed effect or the second variable), manipulation of the independent variable, research into the relationship between the independent and dependent variable, the exclusion of rival hypotheses, and the use of random assignment in at least two
As shown in table 1, the total number of subjects involved in the study was 30 participants. The mean age of the participants was 42.13 years with the minimum and maximum ages of the respondents being 24 and 60 years. The mean of the EDSS score
Therefore, we need to estimate the population parameters y-intercept (β0) and slope (β1) using sample statistics b0 and b1. In actual, we will not see that the line passes
is the coefficient for the In(size) and the value is 0.058 implying that there exists a positive relationship between the dependent variable (ln(GDP percapita)) and the independent variable (In(size)). As such, a unit
In that direction, every aspect of organization infrastructure from rooms, cabins, hallway, and others have to be designed and operated in an effective
(1% level of significance)
A bank claims that 60% of people who apply for a personal loan will be granted it. However, a random sample of 500 loan applicants contains only 250 which are successful. Does this suggest that the
ose to study the data in order to understand the difference perks paid in US and evaluate the trend of top management salaries; with a sample N = 61.
The Figure 1 shows the data is normally distributed with most managers getting an annual average salary of $100000 to $ 120000.
For the TI, you will want 2-PropZTest. Then select the appropriate alternative (not equal), and Calculate then enter. The output will have the test statistic (z), p-value (p), sample p values, weighted p (), then repeat of sample sizes. To compare the
a lot many qualitative concepts present in relation to a particular business problem, statistical interpretations are necessary so that business stakeholders can be informed and convinced.
1. Making conclusions about a large population from a small sample may lead to drastic
rade A, µB shows the average salaries for Grade B, µC shows the average salaries for Grade C, µD shows the average salaries for Grade D, µE shows the average salaries for Grade E and µF shows the average salaries of Grade F employees.
Since the P-value, as mentioned in the
The fact that we are interested in values either at the point -20 or much closer to 0 means the test is one-tailed. The following procedure is used:
From these values, we calculate
Regression, which identifies the numeric connection between the variables, is discussed in detail along with the method to formulate a straight line regression equation using the Least Squares method. Hence the method to compute the coefficient of determination which gives a numeric value of the goodness of fit is included in the report.
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.
The study took a sample of 80 patients who were affected by chronic ulcer but had now healed, for the period 2006 to 2009 (Finlayson, Edwards & Courtney, 2011). The data regarding their
If the values of the mean, median, and mode are not the same, discuss what this suggests about the shape of the distribution. Construct a Graphic of the distribution of this data using StatCrunch to prove your point. Copy and Paste your graphic from
As the study stresses international politics defines the politics of the global community in a fairly narrow sense mainly about diplomacy, as well as state relations and other political units. The discipline of international politics draws intellectual materials from the fields engineering and technology, economics, international law and history.
As the test statistic value was less than the z-value, we rejected the null hypotheses that mean annual income is $50,000 and accepted the alternate hypotheses of income to be less than $50,000. This shows that the manager was indeed correct in his or
You can only fund one of the two. Patients and their families are anxiously waiting for the Board of Directors to make a decision on which of the two can be funded.
Part I: Your first task it to do the following
Before conducting the study, informed consent was first sought from the potential participants who mainly included members of the public. The study recruited a total of 187 participants of whom 76 were assigned the vignettes about a 13-year old and 111 were
The paper describes the survey instrument, the measurement levels, the IVs and DVs nature, model’s assumptions, robust of each assumption, computations,
The standard deviation of the level of happiness is 2.644619961. The Skewness and kurtosis of the sample data is 3.727494666 and 15.41579212 respectively. With a skewness of 3.727494666, the values of happiness are concentrated on the
Sampling is the choosing of a sample from the whole of the target population, and the results of the sample can then be generalized for the whole of the target population. The number of samples chosen for this survey is 12, and they all belong to either the sales support analyst or the customer billing department of Etisalat Telecom.
Hence there is no statistical independence between industry categories and age group.
e) From the confidence interval, we conclude that the Australian popliteal height is not significantly
These two variables are part of socioeconomic factors that affects the psychological health of an individual. Inadequate finances can be an act of poverty which in turn considered a risk factor for declines
s accomplished by subjecting the participants to a comprehensive self-administered diet history questionnaire and a brief-type diet history questionnaire (BDHQ). The study adopted the semi-weighted dietary records as a reference method (8).
The SAS statistical approach provided
The author states that the independent t-test determines whether unknown means of two populations are different based on independent samples drawn from each population. Generally, the term ‘population’ (N) in statistics refers to the entire pool from which an investigator obtains a statistical sample.
Metadata describes other data. It provides information about certain items content. For example, an image may include metadata that describes how large the picture is. (Liu,2007) in his definition, he views metadata as structured information that describes or otherwise makes it easier for it to be retrieved, use or manage an information resource.
This allows improved service design/delivery, understanding perceived service quality by customers as well as in strategic planning. Arguably, it is important to encourage dissatisfied clients to complain to avoid the risks of
The company samples 7 batches of 25 and gets the following weights.
The production process is in control, as all the points fall within the lower and upper control limits. However, there appears an increasing
and thinking to a broad range of social, scientific, and business endeavors in such areas as biology, economics, astronomy, education, marketing, engineering, psychology, genetics, marketing, sports, public health and many others. The best idea concerning a statistician is that
From the table, we observe the coefficient for the is 0.36488; this implies that for any unit change in we would expect the dependent variable to increase by 0.36488. The coefficient for the explanatory variable is significant at 5% significance level. We can
Though seemingly late, all staff ought to know that the following factors are used to construct a linear regression model that has been used to predict the pay-off for laid off workers. Using
This paper assesses the role of various variables in entrance. The variables considered include academic level, age group, marital status, and employment status.
Age is a major determinant factor in lots of case and this is no exception in this research. The
The factors that are involved in this study are; the level of education, and the factors impacting on the purchase.
According to Rotter, 1966 the factors in purchasing soaps and the level of education of the person making the purchase. But according to the
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
The failure in global financial system has led to countries being bankrupt with many banks being closed down (Dean, 2006).There has also been an increase in the cost of living as the financial crises spread across
This paper will review at why an analyst needs to take his/her audience into account while writing a report, and the steps to writing a substantial research report.
It is imperative that a researcher know his/her
240).
The assignment model facilitates solving transportation problems through the explicit identification of the objective function, the decision variables and the constraints.
This growth rate is said to have doubled that one of 13 years prior (Garfield, 23). The total number of journals verified for the year 1950 was approximately 60,000 while the estimate for the year 2000 was approximately 1,000,000. Price made use of the
R2 measures the proportion of the variation on the dependent variable which is explained by the independent variable in a linear regression model. It also measures how best the regression model fits. Adjusted R2 adjusts the statistics based on
Estimation of the sample size starts from table I, where the general level two is matched with category of the batch size where 40,000 units falls, to get N as the code letter. From Table II-A, code N is equivalent to 500, which
During analysis, a group variable is created to accommodate the two groups whose means are being analyzed.
Based on the Levenes Test for Equality of Variances, which puts the level of significance (p-value) at 0.229, we use the equal variance
From the data, a hypothesis, which is a possible explanation for the observation made, is formulated. Experiments serve to test the formulated hypothesis, and based on the results, the
Existence of diversified literature on subjects offers contradictory information that that may confuse researchers’ development of hypothesis through determination of dependent variables. An example of the source of the
In addition, this paper will also calculate what proportion of students’ z-scores are below 0.50.
The average previous test score of the students was 85.22 and vary from the mean by