Hello, Pls provide steps and answers. ty, Ara

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Hello,

Pls provide steps and answers.

ty,

Ara

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
Major
<50K
50-69K
69K+
TOTAL
English
Engineering
Nursing
20
20
25
65
10
35
50
95
5
15
25
45
Business
15
25
25
65
Psychology
10
40
30
80
TOTAL
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:
d. The critical value is:
e. We fail to reject the null hypothesis (Write "true" or "false" in the blank):
Transcribed Image Text: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 Major <50K 50-69K 69K+ TOTAL English Engineering Nursing 20 20 25 65 10 35 50 95 5 15 25 45 Business 15 25 25 65 Psychology 10 40 30 80 TOTAL 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: d. The critical value is: e. We fail to reject the null hypothesis (Write "true" or "false" in the blank):
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