Concise Statistical Analysis Samples at Disposal

Introduction to Variance AnalysisVariance analysis is a crucial management accounting technique which involves the comparison of the standards numbers to the actual performance numbers (Ward, 2012). It is to be noted that there are different category of variance analysis, and same could be computed for both the quantity and price of materials, labour rate, labour efficiency and variable overhead, and there reporting of results is done to the m...

Background and GoalsBlood sugar, also known as glucose is the main sugar found in the blood, it is sourced from the food consumed by and plays a critical role in supplying energy to the body.  However, too much blood sugar may lead to disorders, such as diabetes. Glycohemoglobin (HbA1c) is a medical test applicable in the diagnosis of diabetes. Notably, HbA1c of 6.5% is recommended as the cut point for diagnosing diabetes; however, a valu...

Objectives of the StudyVisa Inc. is one of the most popular firms that allow transaction of small business. This gives them a platform to transact for businesses, customers and other financial institutions. It allows them to do transaction for enterprises, in doing so they face challenges such as credit card fraud. The online fraud is an issue of concern that requires to be addressed. Visa Inc seeks knowledge on its security measures and cust...

MethodsA study from 2001 to 2010, shows that there has a an average annual increase of 0.9% / year in the number of serious injuries to people due to road vehicular traffic crashes (RVTC)(1). The study further showed that 1.1% of the people injured had a high threat to life.  Representation of young drivers in serious road accidents is considerably higher in all forms of road accidents (2,3). Risky driving as been classified as driving wh...

AnalysisThis paper is designed in understanding the demographic distribution of the students in Australia. Also, the report will evaluate students’ perception of environmental issues. Both nominal and ratio scale data will be collected. For instance, the height of the students (without shoes), number of hours slept, among others. These are vital as they help in giving a descriptive overview of the sample, which can help understanding the...

MethodsPart a The independent sample t-test is used to test the differences in “how many alcohol drinks per day” for the persons “trouble falling asleep.” A t-test is used to compare the differences in the dependent variable (how many alcohol drinks per day) for the two independent groups (trouble falling asleep). Part b In order to test the differences we test the hypothesis that there are no significant differences...

Demand for Serviced ApartmentsEvery year several tourist flock Australia with the aim of experiencing the beauty of this great nation. It is the expected that every time a visitor comes into the country should have the most thrilling experience. An amazing experience would have tourists speaking about Australia for quite a long time. In fact, a great experience during the visit would make the tourist ambassadors of Australia with regards to it...

Analysis of One Quantitative VariableThis study sought to apply statistical knowledge learnt in class in analyzing real data. I obtained my dataset from the internet, the link to the dataset is given The data contains 60 observations with a total of four variables (two categorical and two numerical/quantitative variables) namely Variable Type Prior Sexual Experience Categorical Dose of Drug Catego...

Research HypothesesThe statistical analysis for the qualitative and quantitative variables is very useful in the process of checking and comparing different claims or hypotheses. Here, we want to check some claims and hypotheses regarding the qualitative and quantitative data. We have to use the descriptive statistics, inferential statistics or testing of hypothesis, graphical analysis for the variables included in the data set. By using the d...

Task B: Perform the following.Test for normality of variable has been performed through Jarque- Berra Test. The respective test statistics is known as JB stat and the relevant formula to find the JB stat is highlighted below. Step 1:  Null and alternative hypotheses H0: Returns of variable is normally distributed. H1: Returns of variable is not normally distributed. Step 2: JB stat The JB stat has been computed in excel with the help...

Descriptive Values for Both Batteries Units: 18 Treatment Variable: Choice of batteries – Energizer and Ultra-cell Response Variable:  Playing time in hours Two independent groups have to be tested by independent t-test. Let and be the average battery life of Energizer and Ultra-cell batteries. Summary statistics table is as follows, Table 1: Descriptive Values for Both Batteries Batteries Mean Std. deviat...

Normality Test ResultsThis prices of AAPL asset between July 2008 and July 2009, after which the price rose up at a relatively low rate where and later decrease gently on Dec 2014. The recession and recovery are registered between Sep 2017 and 22010. Due to the regular pattern of recoveries and recession o the price, the series is said to display an upward trend which associated with seasonality, which is the main source of the fluctuation of ...

Question 1 Population = Equal variance Null hypothesis: Mean of population 1 is not higher than mean of population 2. Alternative hypothesis: Mean of population 1 is higher than mean of population 2. The two sample t test for equal variance The one tailed p value comes out to be 0.0003 which is lower than significance level and hence, sufficient evidence is present to reject the null hypothesis and to accept the alternative hypothesis. Th...

Identifying Causes of Declining Sales1) CoffeeVille is a newly developed brand but all its stores are closing due to improper management and operational policies. In order to resolve this issue, the owners of CoffeeVille tried to offer highest attention towards the external and internal environment. This would be useful for the higher authority of the firm to determine its weaknesses and intensify its strengths considerably. The business data ...

Descriptive StatisticsA random sample of 50 customers was selected from a population 4,815 customers in adata set that contains customer details and the types of movies downloaded from an internet sitefor a given year. The data set has eight variables:1. Customer No: is the customers number for this set2. State: the state of residence of customer3. City: city of residence4. Gender: M = Male, F = female5. First choice: Type of movie category (A...

The Five Personality Domains Standardized statistical indicator The five domains are; agreeableness, Conscientiousness, openness, extraversion, neuroticism, and social desirability. Agreeableness The z-score of agreeableness Taking the maximum score from the data dictionary of 120 and the mean to be 86.34 My score in agreeableness is 94 Therefore the probability score is 0.7673. This means that the probability of finding my agreeab...

Samsung's Divisional Organizational StructureThe organizational structure of Samsung is divisional in nature and the operations of the company is thereby divided into three major divisions which include, IT & Mobile Communications, Device Solutions, Consumer Electronics. The different divisions of Samsung are thereby managed effectively with the help of characteristics of products and their implication on development of new products. The c...

E-commerce Sales in 2017 1.The learning was very compact from my end. I have enjoyed the class. I was so attentive in the class. It was very interesting. I successfully solved the assignment without help of anyone. The experience was good. It is seen that the concept of BODMAS is very necessary in daily life. More times are required to solve a problem using the BODMAS rule. I need some times to be familiar with the function of different types of...

Analysis and MethodsThe given report has been written by employee working in Planning Department of the Century National Bank. This report is intended to be handed over to Mr. Selig and the management, senior personnel of the Century National Bank. The objective of this report is to highlight the characteristics of the checking account customers considering various additional information in relation to usage of ATM debit card and number of t...

Unbiased Point Estimate The mean of the average cost of the meal per person is €36.74. The unbiased estimator of mean of the average cost of the meal per person is €37.1111. Meal cost per person  One Sample Z-test for estimating confidence interval Sum 3674 Mean (μ) 36.74 Unbiased estimator of mean (X-bar) 37.11111111 Standard deviation (s) 9.2032273...

Reasoning of the Issues Relating to Eco-Fone SmartphonesCell phones association, namely Eco-fones, sells additional items including cell phones from its both shops, masterminded in Putney and Richmond. By and by, the phone company is not selling tablets or workstations. The business has been sparsely earning well since it had started in 2014. It has seen an essential addition in its yearly advantages. One of the develo...

Project BackgroundAssessment of grass pollen allergens and efficacy of ELISA Protocol towards the binding ability of IgE Grass pollens are a major cause of high fever and allergies to asthma.  They affect about 500 million people globally and is the cause of various disease, reduction of quality of life and declined productivity levels.   Allergen-specific immunotherapy can diminish symptoms and reduce the overall levels of a...

Dataset and Analysis of Phone Calls ReceivedWith reference to the email sent by Walter Waterson regarding his new implementation of the phone business, the following questions have been answered. The analysis conducted to answer his questions is mainly based on the dataset provided by him. There has been implementation of a new phone system in their business which will automatically record the data on all the incoming calls on the telepho...

Stem and Leaf Plot and Frequency DistributionThe stem and leaf plot representing the retail turnovers for Tasmania and Australian Capital Territory in millions of dollars from January 2016 to September 2017 is given in the following table: Representation of Turnovers of Tasmania and Australian Capital Territory by Stem and Leaf Plot Leaf Values for Tasmania Stem Values Leaf Values for Australian Capital Territory ...

Primary and secondary sources of data collectedIncome is the revenue generated from selling goods and services (Haraldsson, 2017).  (DAVID, 2011) Define it as the money that an individual receives in compensation for his or her labor and services. (Jones, 2010) Studies on the factors that affect income reveal that qualification is a measure of one’s potentiality and therefore, highly skilled personnel tend to generate more income in...