ASSIGNMENT Question 1 You are to analyse a dataset Retail_ TMA.xlsx to answer the following questions. In the real world of data analysis, when you are not querying the database directly and data is provided to you, it is essential to evaluate the data and ask pertinent questions about the data quality. It enables us […]
Given the set of data below, create a scatter diagram in Excel with pages on the x axis and price on the y axis.Create the chart in such a way that it clearly communicates information and is ready to be put on a Power Point slide.
Week 1 Assignment Hand in both an Excel Sheet and a MS Word document in the same submission. 1.A boss had wanted to know if employees were in their 20s, 30s, 40s etc. in preparation for a training on generational differences in the workplace. Create a frequency distribution table for the following ages of employees. […]
Write a response of at least 200 words to describe what you learned about the topic as a student.
Discussion Below is a list of 8 discussion topics. For each topic write a response of at least 200 words to describe what you learned about the topic as a student. Statistics Discussion Topics Statistics, Frequency Tables, and Graphic Presentations Numerical Summaries of Data. Linear Regressions and Correlation Probabilities using addition and multiplication rules The […]
Suppose a point is to be selected at random from the unit square. Write the sample space associated with this random experiment.
ASSIGNMENT A 1.Suppose a point is to be selected at random from the unit square. Write the sample space associated with this random experiment. 2.Let , the set of odd natural numbers, and the set of natural numbers divisible by 5. What is the set ? 3.A computer password consists of two lowercase letters followed […]
Using the definitions found in Chapter 1 of Quantitative Analysis, the Internet, and your own personal experiences, make notes on and post one example of each of the following to the class Discussion Board topic “Deterministic and Probabilistic Models”.
ASSIGNMENT Using the definitions found in Chapter 1 of Quantitative Analysis, the Internet, and your own personal experiences, make notes on and post one example of each of the following to the class Discussion Board topic “Deterministic and Probabilistic Models”. A deterministic model ; A probabilistic model ; and A situation in which you could […]
What type of design are you using (between-subjects experimental, within-subjects experimental, quasi-experimental, correlational)?
Choosing the Correct Statistical Test Worksheet Review your chapter readings and the following resources found in Topic 8 Resources: Choosing the Right Statistical Test: Types and Examples and An Introduction to Statistics: Choosing the Correct Statistical Test, then walk through the tree diagram and answer the following questions. What type of hypothesis are you testing […]
Estimate the number of visitors in the sample who actually are looking for the company’s website by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable).
ASSIGNMENT Not all visitors to a certain company’s website are customers or potential customers. In fact, the company’s executives estimate that about 8% of all visitors to the website are looking for other websites. Assume that this estimate is correct and that a random sample of 40 visitors to the website is taken. Answer the […]
What proportion of babies weigh between 10 and 14 pounds? Is it unusual for a baby to weigh more than 17 pounds?
ASSIGNMENT Baby weights: According to a recent National Health Statistics Reports, the weight of male babies less than 2 months old in the United States is normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds. What proportion of babies weigh between 10 and 14 pounds? Is it unusual for a baby to weigh […]
How can you control for variables trending linearly over time in your regression model? Estimate a model that controls for linearly trending variables.
Question You are commissioned by the White House to investigate the relationship between consumer prices and approval rates of the President. You are given access to the APPROVAL dataset. The dataset consists of 78 months of data during the presidency of George W. Bush (ending in July 2007, before Bush left office). In addition to […]
Identify the types of variables and measurement scales that were used in the table. Describe the types of descriptive statistics that were used to summarize the findings on your topic.
Assignment Search for a topic related to your professional interests and experience. (If you are a dental MPH track student, try to select a topic related to dentistry or oral health.) The results of this topic search will include an interactive data table, if it is available. Next, interpret these tables, graphs, and the charts […]