Statistics

Explain if the population is not normal, can you make any inferences about that population from your random samples?

Variables In many of the problems from the last unit, you were given information about the population. For many of the variables, it was assumed the variable had a normal distribution. What if the variables you are studying are not normally distributed? Here is your challenge — if the population is not normal, can you […]

Discuss an example of where Linear Regression and Correlation techniques can be used to best serve a current profession of a supply chain planning analyst.

Discussion 2: Linear Regression and Correlation Discuss an example of where Linear Regression and Correlation techniques can be used to best serve a current profession of a supply chain planning analyst.

Create a data architecture for a big data application that would be relevant to technology organisation in the UK.

DATA ANALYTICS You are required to create a data architecture for a big data application that would be relevant to technology organisation in the UK. You are also required to generate a relevant data set, carry out an analysis, and finally discuss data governance. Task 1: Data Architecture Analysis (25 Marks) (Write in third person […]

Properly present the econometric estimates and evaluate the model performance in terms of goodness of fit and diagnostic tests.

An empirical project – Impact of venture capital on financial market development” Section III: The Data and methodology Describe the source(s) of the data and how each variable is measured. Provide an exploratory data analysis. Point out any salient features of the data and describe any interesting pattern/ correlation in the data. Provide summary statistics […]

Identify the correlation coefficient for each of the possible pairings of variables. Describe the relationship in terms of strength (weak/strong) and direction (positive/negative).

Benchmark – Correlation and Regression Project Directions: Use the following information to complete the questions below. Use the following data points that have a linear relationship: Substance Abuse and Suicide: Percent of the Total U.S. Population X VARIABLE Y VARIABLE Year Substance Use Suicides 1999 6.82 0.000105 2000 6.78 0.000104 2001 7.00 0.000107 2002 7.12 […]

Are there differences between fast track and regular track students in regard to the average number of hours they (a) study, (b) work, and (c) watch TV?

QUANTITATIVE ANALYSIS: COMPARING GROUPS WITH T TESTS, ANALYSIS OF VARIANCE (ANOVA) AND SIMILAR NON-PARAMETRIC TESTS Questions Chapter 9 Using the CollegeStudentData.sav file, do the following problems. Print your outputs after typing your interpretations on them. Circle the key parts of the output that you use for your interpretation. 9.1 Is there a significant difference between […]

What is the incidence rate of some diseases in Suba County? Is there a significant difference between prevalence and incidence rates in Suba County?

 Relative Measures of Disease Frequency AT Suba County What is the prevalence rate of some diseases in Suba County? What is the incidence rate of some diseases in Suba County? Is there a significant difference between prevalence and incidence rates in Suba County?

Prepare a managerial report discussing what are your  preliminary conclusions about whether time spent by visitors to the Triple T website differs by different combinations of background color and font?

CASE PROBLEM: TOURISTOPIA TRAVELTourisTopia Travel (Triple T) is an online travel agency that specializes in trips to ex-otic locations around the world for groups of ten or more travelers. Triple T’s marketing manager has been working on a major revision of the homepage of Triple T’s website.The content for the homepage has been selected and […]

Discuss how the p value relates to the significance level. Compare the p value and significance level, and make a decision to reject or fail to reject the null hypothesis.

Hypothesis Testing for Regional Real Estate Company Introduction   Include in this section a brief overview, including the purpose of this analysis. Briefly describe how you generated your random sample of size 750. Setup Define your population parameter. Write the null and alternative hypotheses. Note: Remember, the salesperson believes that his sales are higher. Specify […]

Scroll to top