Statistics

Name at least 2 tests you can perform to investigate the association between generator location and CO poisoning after an ice storm.

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What type of model is this, and why is this type of analysis appropriate in this case 5 questions A study looked at whether pack years of lifetime smoking (smokepy) can predict the level of C-reactive protein (CRP), an inflammatory marker, after controlling for age, socioeconomic status (SES) and education. SES and education were numerical … Read more

pick a money number goal, set 3 timelines and what you will invest in to get there i.e. stocks, ETFs etc. Present in a PPT format.

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Use the compound interest calculator to determine what you need to do to build a substantial nest egg. Compound interest simulation Use the compound interest calculator to determine what you need to do to build a substantial nest egg. Compound Interest Calculator | Investor.govDetermine how much your money can grow using the power of compound … Read more

Explain what is meant by seasonal fluctuations of a time series.

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Given the quarterly production figures of the company for the last 4 years, explain the procedure to compute seasonal indices by the ‘link relatives’ method. Time Series Analysis Assignment 1 (Total Marks = 10) Question 1 (a) (b) Plot a time series graph for the above data. (c) Plot the corresponding trend line using the … Read more

Identify a research question that might be usefully answered using your analytics record. Develop hypotheses.

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DATA ANALYTICS Carry out a data analysis and produce visualizations. Identify a research question that might be usefully answered using your analytics record. Develop hypotheses. Evaluate the potential impact of insights that might occur following exploration of the research question. Identify data from your application that might be analysed to provide business insights and in … Read more

Discuss how the regional sample created is or is not reflective of the national market.

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Smart businesses You have been recently hired as a junior analyst by D.M. Pan Real Estate Company. The sales team has tasked you with preparing a report that examines the relationship between the selling price of properties and their size in square feet. You have been provided with a Real Estate Data Spreadsheet spreadsheet that … Read more

What is the median salary for men in this sample?What are the mean and standard deviation of salaries for women?

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Statistic Problem The following data are based on numbers taken from the Bureau of Labor Statistics surveys from the year 2019 ( https://www.bls.gov/cps/aa2019/cpsaat39.htm ), for community, service, social science, and education occupations. They represent the average weekly pay for wage and salary earners measured during 2019 and broken down by gender. Enter these data into … Read more

Evaluate normality using the appropriate test. In 30 words or less, report the statistical test and indicate what the results of the code reveal . Was the assumption violated? How can you tell?

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Word-knitted version of the completed R Markdown 1 .First, as always, let’s visualize the data. In the code chunk for this question make the appropriate figure visualizing the attendance for each of the venues. Your figure should show each of the individual data points as well as a different geom displaying a summary for each … Read more

Prepare a managerial report that addresses the following issues and recommends an order quantity for the Weather Teddy product.

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Chapter 6 Continuous Probability Distributions For the coming season, Specialty plans to introduce a new product called Weather Teddy. This variation of a talking teddy bear is made by a company in Taiwan. When a child presses Teddy’s hand, the bear begins to talk. A built in barometer selects one of five responses that predict … Read more