test statistic value. show solution. 4. A remittance center claims that the average transaction cost of sendingmoney through their remittance center is 3% of the amount. A sample of 20clients revealed that the mean transaction cost is 3.4% and the standarddeviation is 0.5%. Test at 10% significance level whether the transaction fee ishigher than the claim of the remittance center.

Answered: Image /qna-images/answer/df0165fc-1c8c-4b21-a880-a5e9bd87e87f.jpg

Answered: 4. A remittance center claims that the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Joselyn hopes to receive a grade of B or better in her statistics class. Currently she has scored 75, 83, and 81 on her three in-class tests and also has a homework average of 88. Her professor calculates the class grade by finding the mean of five grades: three in-class tests, the homework average and the final exam. What is the minimum score Joselyn must earn on the final exam to have a class grade (mean) of 80? A. 67 B. 95 C. 70 D. 73
Using the line of best fit, which equation most closely represents the set of data? { (-5, 8.2), (-3, 14.5), (0, 23.1), (2, 29.7), (6, 40.2), (10, 53.8), (13, 64.4) }
The time to complete a race is a latent or hidden variable for the ordinal variable for 1st, 2nd, and 3rd place. True False
Check for accuracy and respond the last questions 2. For this problem, use Chapter 11 Data Set 3. We want to know if urban and rural residents both have the same attitude toward gun control. a. What is the null hypothesis? The null hypothesis concludes that there is no difference in attitudes toward gun control between urban and rural residents. b. What is the research hypothesis? The research hypothesis suggests that there is a difference in attitudes toward gun control between urban and rural residents. c. Will you be conducting a one-tailed or a two-tailed test? Why? In this case I would conduct a two-tailed test because i’m interested in whether there is a difference in attitudes toward gun control between urban and rural residents, regardless of which direction that difference follows. e.- What is the p-value (hint: it is under “sig” in the output table)? The P-value is 0.44. Do you reject the null hypothesis or fail to reject the null? What do you conclude about urban and…
The boxplot below shows salaries for Actuaries and CPAS. СРА Actuary + 30 35 40 45 50 55 60 65 70 75 80 Salary (thousands of $) Tiffany makes the median salary for an Actuary. Mariah makes the first quartile salary for a CPA. Who makes more money? Tiffany O Mariah
2 part question done in Excel. 1. Data are collected in a clinical trial evaluating a new compound designed to improve wound healing in trauma patients. The new compound is compared against a placebo. After treatment for 5 days with the new compound or placebo, the extent of the wound healing is measured and the date are show in the table below. Is there a difference in the extent of wound healing by treatment (Hint: Are treatment and the percent wound healing independent?) Run the appropriate tes at a 5% level of significance. 2. Use the data in Problem 1 and pool the data across the treatments into one sample of size n=250. Use the pooled data to test whether the distribution of the percent wound healing is approximately normal. Specifically, use the following distributions: 30%, 40%, 20%, and 10%. Run the appropriate test at a = 0.05.
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