Statistics Essays

the number of clothing items sold during 1998 were 75 units, but the figure declines in the next two quarters to 65 and 55 units, and then an increase in the sales figure was witnessed in the fourth quarter. During the same period, Europe experienced an increase in sale during

The companies however are still responding to the changing consumer requirements of modernized infrastructure and reliable peaking rates that are the characteristics of today’s telecommunication industry. In the process of meeting consumer requirements, sustainability

To do this, the study sampled tourists from Europe, US, Japan and other Asia/Pacific countries who visited Mongolia. Their demographic characteristics were analyzed. A comparison was made between the satisfaction levels of the tourists from different countries and

Several reasons exist as to why the amendment must not be passed. Primarily, statistics are the key indicator of the main reason why people are opposed to the amendment. Arguably, the

As a result, trading in share capital has developed to be a popular investment strategy. This has also attracted interest into investigating trends in the capital market as well as the factors that affects prices of shares of listed companies in stock exchange markets

A detergent manufacturing company has two plants, one in Florida and the other one in Texas. The type of detergent manufactured from both plants is homogenous. The Florida facility makes 40% of

This is because most of the research which is used to formulate policies depends on statistical work for quality and precise results. It is therefore important that clients, researchers, policymakers, clients journalists, and the general public undertake statistical practice by these guidelines. Students should be taught how to apply statistical theories.

The loyalty of the customers is improved, thereby enhancing customer retention. Secondly, the top leadership of the business is able to formulate unified goals and objectives that promote a culture of togetherness and purpose within the

ed from 0 to a 100 scale were notably higher for women with a mean of (73.1 +/- 16.93) than men with a mean of (60.2 +/- 16.98), as evident on table 1 results (Michael, Stephen, & Machin, 2007). 6. Assuming that the distribution of Mental Health scores for men is normal, where

The average country’s Gross Domestic Product per Capita (US$) is about 7,758 (SD = 9,089). The average country’s Education Expenditure per Capita (US$) is about 393.3 (SD = 492). Figure 1 shows the scatter plot of Gross Domestic Product per Capita (US$) and Education Expenditure per Capita (US$). It is seen that all the data points lie near a linear line.

The marks of students could contain those who obtained extremely high marks and those that obtained extremely low marks. When we are faced with such data where we expect outlying observations, it’s better to use the median because it is not much affected by extreme observations. This is because mean deviation takes into account all the observations, it is easy to understand and it is least affected by extreme values.

Travel and entertainment card and the Bank credit card is 0.960 positively correlated to each other. In the same manner, the bank credit and retail credit cards are 0.978 positively correlated. As shown in the table

The author states that the result of the “Analysis of Variance” shows that the computed F (12.43) is less than the tabular values of F-statistics (230) at 0.05 degree of freedom (1, 4). This means that there is no significant difference between the variables of amounts claimed and amounts reimbursed in relation to “legitimate” expense claims.

An organization is a place wherein people belonging to different demographics and mindsets work together for the achievement of a single and pre-specified goal. In the second place, the authors identified that; an organization is a place where different departments work together to contribute to the long-run productivity of the company as a whole.

According to the 2011 census, the UK population was about 63.18 million (Office for National Statistics, 2013 A). Christianity (59.5%) is the major religion, followed by Islam (4.4%), Hinduism (1.3%), other (2.0%) and no

Some of our data also came from the U.S. Department of Commerce. We focused on data between 1992 and 2012 because current data collection

The p-value is given as 0.000 (a value less than α=0.05); we thus reject the null hypothesis and conclude that there is significant difference in the proportion of those who gave the right answers and those

This is a single paragraph, no indentation is required. The next page will be an abstract; “a brief, comprehensive summary of the contents of the article; it allows the readers to survey the contents of an article quickly” (Publication Manual, 2010). The length of this abstract should be 35-50 words (2-3 sentences). NOTE: the abstract must be on page 2 and the body of the paper will begin on page 3.

When engaging in hypothesis testing procedures for the population with known standard deviation, a researcher needs to consider the involved standard error. This value is important in determining confidence limits for decision making over the hypothesis

There was also the use of regression analysis as well as multicollinearity. The management theory being tested was whether or not there are

As such, whether the problem-solver uses the graphical approach, the computer-based approach, or even sensitivity analysis, the same characteristics need to be clearly and accurately identified. The only disparity is discerning and deciding which LP solving approach would be

The aim is to determine which of these two libraries has the oldest books based on their year of publication. After a statistical analysis, I should recommend the library to be funded, which

stakeholders, there is need for them to address a number of issues to ensure that MLB makes owners realize return on their investment, judicious for the players, and more importantly makes fans happy. Statistical tests were carried out on the aforementioned variables or factors

s population (Guinea, Liberia and Sierra Leone) is (11,474,383+ 4,092,310 + 5,743,725= 21310418) according to CIA (2013) while the policy paper indicates the number of deaths to be 4,000. Therefore, the mortality rate is given by In conclusion, the death rate is about is

Since crime affects each and every one living in the city, the research question would be of interest to many students and the local people, particularly the residents of the affected cities. Students cannot comfortably

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

Thus the only available information about the population comes from the sample. A sample and a reasonable hypothesis about the population mean is all that is required in order

6. Using the following information for R2, k, and N, calculate the value of the F statistic for testing the overall regression equation and determine whether F is statistically significant at the 0.05 level: 7. According to the University of Chicago, as men age, their

As emphasized by Benge (2014), “transshipment models can be applied to inventory systems to achieve optimal inventory levels” (par. 1). It

The term management is therefore not accidental but refers to one of the function of a teacher in ensuring that students operate within established regulations. Such a role is contrary to the imagination that managers only exist in large or commercial

To compare the two groups statistically for which the best available test is independent t-test. From the table 3.3, the mean no. of defective parts produced by manual type is 294.5 and that of automatic is 325.00. There is a difference of 30.5. For this difference to be significant or not, the following table 3.4 is quite helpful and tell the real significant difference.

Twenty samples per group will be used making them a total of eighty samples (sampling in research). In this case, there will be an independent variable and a dependent variable. Causative

A quantitative questionnaire is used to gather information concerning the eating habits of young adults. This kind of questionnaire would be used in order to establish the existing relationships among various variables, which could influence the eating habits among young adults. The use of questionnaires in gathering the required data was done due to a number of reasons.

um to Fleishman for $13,000 per kilogram or 4,500 kilograms to Huffman for $14,500 per kilogram, and then later sell the remaining ore on the open market for $12,000 per kilogram. The Precision Tree analysis is used to solve the problem. The results of the Precision Tree

(Choose one best answer and provide rationale). (TWO POINTS) Intervention trial are the epidemiological studies conducted by scientist whereby samples are selected from a specific

Moreover, 66.7% of the animals featured in the magazine are real life animals while 33.3% are fantasy animals. It can also be seen that

A majority of the respondents expected to pay between $ 1100 and $ 1200 for management services. The respondents unanimously agreed that a price between $ 400 and $ 500 would be too low

Thus, the data presents four variables; GDP being the dependent variable whereas Inflation, Employment and Unemployment are the independent variables. This data presents numerical variables. These are numeric

For instance, the author notes that young people in their adolescence (presumably represented by the group aged 18 – 20 in this study) are more likely to have a lower education compared to the older individuals in their late twenties and

To determine the relationship, we conducted a multiple regression test and the results are shown in the preceding sections below; The above table gives the summary statistics from the regression output. The value of R2 is given as 0.448 which means that

Based on the descriptive statistics given in tasks 1 through 4 above, it is clear that there exists a significant difference in the average percentage of Consultations in which Trainees

The probability, for example, of tossing a coin to give a tail or head is 1, but the probability of tossing the same coin to give a head is 0.5 because the toss can as well give a tail. Directionality; It refers to how an individual interprets a situation by

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

The study is also important to healthcare professionals, especially in managerial position, through its information of market segments that organizations can explore at profits. The insignificance of the type of locality, whether rural or urban, to total operations cost, implies that the author could establish a care facility in any area.

The author states that more observations are concentrated on the lower measures of the data, negative skewed or data skewed to the left data means that more observations are concentrated on the higher measures of the data. However, data may be symmetrical which means it will take a bell-shaped form of a diagram.

Variables in correlation analysis are basically two types- dependent variables and independent variables. The variable that is being predicted or estimated is dependent variable. On the other hand, a variable that provides the basis for estimation, it’s the predictor variable or the independent variable.

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.

4. Correctly state the Null and Alternative hypotheses for the following: “The owner of Books R Us wants to see if the mean of a recent sample of sales data for the first and second quarters is greater than the average sales data benchmark he’s been

The author concludes that the observation that can be made from the above journal articles is that all of them have used many variables in their analysis. Each side both on the independent and the dependent variables have a number of variables but the independent variables seem to be more than the dependent variables

A correlation test is the most preferred as it will reveal whether there is a corresponding increase (or decrease) in the number of injuries as compared to the number of hour worked. Regression could also be used in place of correlation as it would show how