This week explores the many ways that you can describe data, or use descriptive statistics, as the first step in your analyses. Descriptive statistics provide an overview of the basic features of a data set; it may be helpful to think of descriptive statistics as a simple summary of your data. But these simple summaries … Read more
Only considering grades from 40 to 100, comment on the shape of each distribution and what it means for general class performance. With reference to the shape of the distribution AND summary statistics, which course seems to be more difficult and why?
The normal distribution is a “continuous probability distribution that is symmetrical on both sides of the mean, so the right side of the center is a mirror image of the left side.” (Mcleod, 2019) The area under the normal distribution curve represents probability and the total area under the curve sums to one. (Mcleod, 2019) … Read more
Let X be a continuous random variable such that ????(????) =1, ????or ???? 0<????<1. Find the following probabilities: * ????(????>0.5) * ????(0.5<????<0.8)
I need help knowing which route of exploratory analysis to take in general or even better, using SAS Enterprise for the following data set I have attached. I can basically do whatever I like with this data set for my project. I just need to create any hypothesis and also conduct an estimation and inferential … Read more
“A contingency table provides a way of portraying data that can facilitate calculating probabilities (Holmes, A., Illowsky, B., & Dean, S. 2017)”. I was unable to survey half and half, however, I was pretty close. I learned that right handed people far outweighed left handed people. Part 1: A survey of 30 people to find out if … Read more
Discussion Prompt: Demonstrate and explain with words how to find the solutions of a quadratic equation using the Quadratic Formula. Create a new quadratic equation for your classmates to solve.
Instructions Download the assignment template from this week’s resources and complete the problems as listed. Show your work (either your hand calculations or your statistical program output). You can either scan your work and submit it as a low-resolution graphic, type your answers directly into the document or copy and paste your work into a … Read more
How do statistics and analytics help businesses make better decisions? 1. Research on the applications of statistics and analytics in different industries, e.g. e-commerce, finance, education, or healthcare. Find a case study that interest you the most, what is the business problem of the case study? How do they collect the data? How do they analyze … Read more
a) You will have a Title page that mentions the subject and what it’s about. Be creative with your title. b) The Table of Contents will list: Introduction, the hypothesis test, Conclusion, Appendix