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Category: Statistics

 Describe what sampling method you used to collect your data (stratified, systematic, cluster, random, or another). How did you collect your data? Explain it so that another student in the class could duplicate your survey.

Posted on by Adam

Introduction to Statistics:  Write a paragraph (at least 4 sentences) explaining some background about your topic and why it is something of interest to you. What do you hope to learn from your study?   Data Collection:  Describe the population of interest. Describe what sampling method you used to collect your data (stratified, systematic, cluster, […]

Historically, the mean number of scans performed by all clinics in the system has been 1.95. Is there any evidence that this particular clinic performs more CAT scans on average than the overall system average?

Posted on by Adam

A random sample has been taken from a normal distribution. Related (computed) output from a software package follows:   Variable           N         Mean   SE Mean         StDev  Variance          Sum x                      10        ?          0.507               1.605   ?                      251.848   Here N is the sample size, Mean is the sample average, SE mean is the standard error of the sample […]

Develop the analyses to answer the different questions (see below 1 – 4); relationships questions (What analyses can you use for relationship questions? What types of data (level of measurement)?), for effect questions (What analyses can you use to test for effects of independent variables on dependent variables?) Think on the levels of the independent variables. What types of data (nominal, ordinal, interval, ratio)?), and interaction effects between independent variables.

Posted on by Adam

Carefully review the information provided below about the fictitious study, then address each assignment requirement. Scenario: You are the new director of institutional research at a small state university, and you have been assigned the task of analyzing information for the dean of the School of Education regarding the performance of their undergraduate students on […]

What question about the population of students at the state college would this table attempt to answer?

Posted on by Adam

1. In the following situations, indicate whether you’d use the normal distribution, the t distribution, or neither. a. The population is normally distributed, and you know the population standard deviation. b. You don’t know the population standard deviation, and the sample size is 35. c. The sample size is 22, and the population is normally […]

Locate your state’s department of health on the Internet and see what types of statistics are available. Compare your states statistics to another state of your selection and create a spread sheet that compares the respective data.

Posted on by Admin

Locate your state’s department of health on the Internet and see what types of statistics are available. Compare your states statistics to another state of your selection and create a spread sheet that compares the respective data. Hypothesize in a summary Enter the data into a spreadsheet and create at least one data display/graphic. Interpret […]

Interpret the results of the analyses, making sure that you address the hypotheses specified in question.

Posted on by Adam

Three coaches will be observed on three separate coaches in training sessions. There is a value in observing coach behaviour on match-day, which would undoubtedly add to the richness of the study. The practicalities of carrying this out as part of this study are prohibitive. The coaches will be all full time employees, one coaching […]

Analysis of Bike Share

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STAT100 Assignment 2: Bike sharing Total: 50 marks Weight: 10% Bike sharing systems are a new generation of traditional bike rentals which are now commonplace in capital cities throughout the world. Through these systems, users are able to rent a bike from any rental station and return it to another station in the city. Users […]

Use multiple linear regression to investigate the relationship between Nurses and the 4 available explanatory variables. Justify your choice of model.

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2018-2019 COURSEWORK PART II (Second, Third and Final Year) MANAGEMENT SCIENCE MSCI 212 Statistical Methods for Business WRITTEN COURSEWORK ASSIGNMENT (DUE WEEK 12) Please read the following instructions carefully. a) Your coursework must be submitted in an unsealed envelope in the coursework submission box outside LUMS A51 by 4:00pm on Monday, 21st January 2019. b) […]

What is the impact of the new point on the standard deviation? Do not just give a numerical value for the change. Explain in sentence form what happened to the standard deviation.

Posted on by Joseph

1. A. Create a set of 5 points that are very close together and record the standard deviation. Next, add a sixth point that is far away from the original 5 and record the new standard deviation. What is the impact of the new point on the standard deviation? Do not just give a numerical […]

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