Do college majors have any effect on starting salaries after graduation? 350 recent graduates were surveyed about their majors in college and their starting salaries after graduation. Table 1 below shows the data. Conduct a test of independence at the 99% level of confidence. Round to 2 decimal places. Observed Frequencies TOTAL Major English Engineering Nursing <50K 50-69K 69K+ 20 10 20 25 65 35 50 95 5 15 25 45 Business 15 25 25 65 Psychology 10 40 30 80 TOTAL ТОTAL 60 135 155 350 a. Write the Ho in your own words: b. Type of test to conduct (write one of "Z-test", "t-test" or "Chi-squared test" in the blank): c. The test-statistic calculated value is:
Do college majors have any effect on starting salaries after graduation? 350 recent graduates were surveyed about their majors in college and their starting salaries after graduation. Table 1 below shows the data. Conduct a test of independence at the 99% level of confidence. Round to 2 decimal places. Observed Frequencies TOTAL Major English Engineering Nursing <50K 50-69K 69K+ 20 10 20 25 65 35 50 95 5 15 25 45 Business 15 25 25 65 Psychology 10 40 30 80 TOTAL ТОTAL 60 135 155 350 a. Write the Ho in your own words: b. Type of test to conduct (write one of "Z-test", "t-test" or "Chi-squared test" in the blank): c. The test-statistic calculated value is:
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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