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Generally in time use researches, participants are often requested to keep track of their daily activities and then record them in their own words. On the other hand,
1. Read in the aloe use file and create the following variables with appropriate labels and formats. Submit the Proc Contents output for this dataset. Note: Watch out for missing values when defining these variables.
2. Aloe is commonly used to treat
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The cancer type’s that can be acquired through excessive use of alcohol and cigarettes include the cancer of the throat, the mouth and the esophagus (Jiang & Ling,
The mean area devoted to display ads was measured (a display ad is a large block of multicoloured illustrations, maps, and text). Using Excel, the sample means 346.5, and the sample standard deviation s is 170.38. Since, population standard deviation, σ is unknown, therefore, using the t distribution.
The reporter can say that the issue on the ballot is popular among a range of between 42.99 % and 50.25 % of the population. He must be precise to state the confidence interval within which the claim is made. However, he cannot be specific as
porter considered a random sample of 725 votes from a population of 12,457 and recorded 338 votes in favor of an issue on the ballot, the 95 % confidence interval is the set of proportions in the range of 0.4299-0.5025.
The reporter can claim that between 42.99 % and 50.25 % of
the era between 1980’s and 1990’s shows that there is no link in payment gaps with women acquired skills rather on gender discrimination (Blau and Kahn, 2006).
According to Hedrick (et al. 2011), there have been conventional perceptions that collective bargaining leads to
However, with the use of frequency distributions we can easily get exact figures for every task or data collected for each and every employee (Lewis, 2006). Making use of frequency distribution tools like graphs and
For instance if there were three stores A, B and C which were located in places so that the mean weekly sales revenues were drastically different, simply comparing the standard deviations of the sales
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
One common use of analyzed data in comparing business performance can be seen in the use of different kinds of statistical data such as sales records and stock inventory management data in order to reflect what is really happening within a certain business, and, consequently, to assist those who have invested in the business or run the business.
The uncertain factor that will reverse her assumption is the trend of the number of students watching the game. If the number declines, revenue, and all assumptions are affected. Sales will be affected when repeat customers are not satisfied with the product. If a customer feels that the taste of the food is not good, they will not order again.
per is out to examine the researches on the correlation between smoking and anxiety in relation to the anxiety disorders, nicotine dependence, factors determining how anxiety impacts smoker’s habits and looks at the already researched empirical literature. Similar researches
The histogram is skewed to the right. This is because its right tail is longer than its left tail. This is also due to the reason that the tail on the right is more positive than the tail on the left. Furthermore, this is also due to the fact that values with higher frequency lie to the left making the histogram right-skewed.
It can be difficult to evaluate the influence of such unconscious desires and motivations on behavior using objective techniques like self report inventories or checklists
sis and discusses the recommendations according to the municipality’s reported cases, which are majorly from the lands and the housing sector channeled through free toll and helpdesk. The report also concludes that the municipality’s services exhibit improving efficiency.
In terms of scholastic achievement which is often included in biographical inventories. One of these measures is the grade point average (GPA). The GPA is very important as it is used in a variety of ways in personnel selection (Roth and Bobko, p. 399). The average CLU GPA for the All Graduate Programs is 3.34 while the average CUM GPA is 3.29.
The questionnaire designed comprised of a mixture eleven questions of varying types and objects. Demographic aspects of the respondents such as gender, age place of origin and postcode of residence were recorded. Caution was taken in designing the questionnaire to ensure that there was a logical flow of the questions and transition of ideas.
The use of the interview and observation techniques requires a greater expertise on the part of the evaluator and a large amount of time relative to the use of rating scales and checklists (Merrell & Harlacher, 2008). The
Financing the business seemed easy enough since Terri’s parents provided an $18,000 loan. It turned out, however, that the brand bought reputedly broke down often and the repair service took from one to four days each time. A backup copier could be bought for $8,000. In the end, obtaining another loan for the latter came down to the decision rule.
This is known as a spurious regression since it implies dependence although the variables are independent of one another. The problem will go away if the regression is run in first differences, or a lagged value of Y is
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
Once one member is selected, not only is that person eliminated, but his or her spouse is, as well. That leaves 6 possibilities for the second person. Then another person is eliminated, as is another spouse. Finally, there are 4 possibilities for the remaining spot.
Central limit theorem in statistics states that in a sufficiently large population, if a random sample size from the population is taken and the mean is calculated from sample size, it will be the same or almost equal to that of the whole population. This is very useful
Generally, the importance of probability can be seen in our everyday life, even though we don’t, at times appreciate its applicability but it is always there around the corner, waiting for us to utilize it. The use of probability has really helped me as the head basketball coach of an upper league division.
Statistics involves the entire process of collecting and analyzing data. This is a true process since it involves an actual survey to obtain data for analysis. The collection of data could either be from primary or secondary sources. The primary collection of data involves the use of questionnaires or interviews. This in turn gives first-hand information required for the analysis.
I am able to work well because I fully understand what kind of job I am doing. I am able to easily understand the data that I have been provided for, and I easily evaluate this data to create a complete report of the data and give clear and viable conclusions about this data. By using statistics, I am able to make principled decisions.
The scope of nursing, especially research, monitoring and evaluation processes, has established statistical applications as an integral part of nursing. The applications have particularly been essential in nursing research, evidence-based practice and administration. This is because statistics provide evidence and an understanding of risks that are involved in nursing processes.
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
d drives one to find out the reported cases of the encroaching diseases in a population on specific time at birth by Obstetrics of Gynecologists (Keir and Krebs 129). To determine the Prevalence of Down Syndrome diagnosis, it was important to determine how many children are born
University of Toronto is considered the best one being the first in rank among the other universities. The University of Columbia takes the second place after
These descriptive statistics help in understanding the most common and the most distinctive traits of the data collected, as well as helping in the use of other statistical techniques that can help in making estimates about the population
Often the data collected is taken directly from the sample; but in some cases, the data is gathered from other sources like medical records, census data, and such other sources.
prior to undertaking the voyage because as case facts revealed, “by registering a group of neighbors, rather than isolated families, the agent increased the likelihood that his signees would not stray to the equally enticing proposals of a competitor” (The Voyage of the St.
ntal health nursing: a scoping project for a Victorian mental health care service on 18 March 20, 2012, I formed a group to analyze the recommendation. I am a health officer working in Australia and had similar problems in our health sector.
According to the article, I had a
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
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For a long time, girls’ performance, especially in mathematics subjects, has been lagging behind boys’ performance (National Science Foundation 1997). Extensive research has been conducted seeking to understand the reason behind girls’ underachievement and reduced representation in mathematics-based fields, such as engineering.
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.
Statistical knowledge helps you use the proper methods to collect the data, employ the correct analyses, and effectively present the results. Statistics is a crucial process behind how we make discoveries in science, make decisions based on data, and make predictions.
The main tasks for these individuals, whether they are educationalists or administrative staff, are defined in scope to include the continuous search for new methods and ways to develop the educational structure; including the
Researchers gather their data either on a behavioral checklist, test or instrumentation. On the other hand, it could also entail making visits to a research site wherein observations of participants may be
A research study is expected to help in understanding the nature of relationships shared by variables not just for the studied individuals; but for the entire population. But to apply the conclusions of any study, it is important to ensure that the selected sample is representative of the population from which it comes.
Is there evidence to suggest that mean has changed?
iv) Perform a hypothesis test to see whether the mean number of male cattle is equal to the mean number of female cattle. To three decimal places, what is the p value from the test? Is there evidence to reject the null
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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