A Survey of 30 people to find out if they are left-handed or right-handed, and use the following chart to create a contingency table with the information. Left handed= 6 Right handed = 24 Total Female lefty =4 righty=16 Male lefty Total= 2 righty=8 Answer the following questions about the information in your contingency table: … Read more
Chi-square tests are nonparametric tests that examine nominal categories as opposed to numerical values. Consider a situation in which you may want to transform numerical scores into categories. Provide a specific example of a situation in which categories are more informative than the actual values. Suppose we had conducted an ANOVA, with individuals grouped by … Read more
For this assignment, use the data you downloaded in your W1 Project. This week, you will explore the hypothesis that a relationship exists between the misinformation effect (the type of information relayed) and the accuracy of the color recalled. Use a chi-square analysis to compare the accuracy of the color recalled (recall color) across your … Read more
You are interested in knowing whether wealthier people are happier. You collected data from fifty people about their incomes and their overall happiness levels on a scale of 1 to 10. Upon analyzing the results, you find that the correlation coefficient has a value of −0.25. On the basis of this data, respond to the … Read more
Instructions for Data Analysis Component: 1. Make a pivot table with “Business Student” (Rows), “Athlete” (Rows), “Cheated” (Columns), and “Cheated” (Summed Value). 2. Create a bar chart showing cheating by athletes and business students. 3. Determine whether there is a statistical difference between nonathlete BDT business students and the national average for business students as … Read more
https://peralta.instructure.com/courses/41231/pages/gossets-seed-plot-data mean difference lab https://www.desmos.com/calculator/hdyf3vkwdy t-test https://www.desmos.com/calculator/m7lucouega
Column 1 = 15 15 14 14 13 12 11 10 10 10 10 10 10 9 9 8 8 7 7 6 5 5 5 5 4 4 4 4 3 3 Column 2 95 94 93 95 93 90 91 94 90 89 88 90 91 85 84 81 75 75 70 … Read more
There are several advantages of using a paired t-test. Since the same subjects are being tested in each of the varying conditions, those subjects serve as their own control. This is a major advantage as you need not consider potential differences between the subjects in the control group and the subjects who are in the … Read more
Selecting the Appropriate t-Test For this assignment, use data from W1 Midweek Assignment. Using Microsoft Excel and following the instructions given in your lectures, compute a t-test comparing males’ and females’ heights. You must determine which type of t-test to compute (between-subject or within-subject). Move your output into a Microsoft Word document and write a … Read more
Make sure you follow all instructions and submit only one pdf file before the end of the due date. Step 1: Download this handout to prepare your report: Project Handout PDF ( in the attachment) Step 2: You will need to use the following Excel file: Project Data XLSX Step 3: The template for your … Read more