Statistics

Initial Post: Choose one out of the 10 provided datasets and write a post that includes: The name of the dataset. A description of the x and y variables. A trendline (regression line) graph of the data created in Excel or Desmos. The equation and correlation coefficient. A clear description of the trend of the […]

Download sav FILE Requirements Download and use the following to complete: Lab Assignment #1 lab_assignment_01.docx Data file: wk02_leadership2026.sav Lab Assignment #1 Key Attached Files (PDF/DOCX): lab_assignment_01.docx Note: Content extraction from these files is restricted, please review them manually.

DB: Module 4 Practice Tests Chapters 8 & 9: Post your Math questions from chapter 8 & 9 on 1414 unread replies.1818 replies. You are required to post (at least) one question and its solution either from Chapters 8 & 9 Practice Tests posted under the modules, or any source of your choice (per grading […]

Exploratory Data Analysis (Part A) Introduction Your instructor will provide you with a data file that includes data on five variables: SALES represents the number of sales made this week. CALLS represents the number of sales calls made this week. TIME represents the average time per call this week. YEARS represents years of experience in […]

Within the Discussion Board area, write 400-600 words that respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your classmates. Be substantive and clear, and use examples to reinforce your ideas. Suppose that a researcher wanted to use the secondary data found in the […]

In this assignment, you will calculate confidence intervals for the quantitative variables in the Heart Rate Data Set. Steps Open the Heart Rate Excel Data Set and identify the quantitative variables. Make sure the data is sorted by category (e.g.male-at-rest, female-at-rest, etc.). Use the Data Analysis tools of Excel to construct 95% and 99% confidence […]

Assignment Instructions: Part 1: Research and Resource Collection (Library Exploration) Library Visit and Resource Identification: Visit your university or local library (physically or through online databases). Identify at least three credible sources (textbooks, academic articles, industry guides, etc.) that cover: The principles of survey design. Best practices for writing survey questions (e.g., avoiding bias, using […]

2,000 words maximum essay using JAMOVI statistical software to conduct the necessary data analysis and graph creation for the essay. With a Sample size: >30 conduct Multiple linear regression; A continuous numerical dependent variable; Independent variables can be numeric and/or categorical; and Use cross sectional data only, NO time series/panel. Data analysis: R, R square, […]

Question 1: Hypothesis Testing (7 points, 1 point each) The average performance of the statistical analysis course in UD is claimed to be 70 percent. To confirm the claim, the University took a samples of 30 students who took the course in the past and their marks are reported in the tables below (for respective […]

1. Data on the amount of the customers’ shopping by using an account card and whether they decided to upgrade their account from silver status to platinum status after receiving the upgrade offer is shown in Table 2. a. Construct the k nearest neighbors’ scheme for predicting upgrades based on the data given in Table […]