1 answer

QUESTION 1 A random sample of students is asked for their opinions on a proposed core...

Question:

QUESTION 1

A random sample of students is asked for their opinions on a proposed core curriculum change. The results are as follows.

Opinion
Class Favoring Opposing
Freshman 110 90
Sophomore 80 120
Junior 60 70
Senior 40 60

Test the hypothesis that the opinion on the change is independent of class standing.

Compute the test statistic. (Report answer to three decimal places. Answer must be within +/- 0.001 of correct value.)

QUESTION 2

A random sample of students is asked for their opinions on a proposed core curriculum change. The results are as follows.

Opinion
Class Favoring Opposing
Freshman 120 80
Sophomore 100 120
Junior 90 80
Senior 60 50

We intend to test the hypothesis that the opinion on the change is independent of class standing and the test statistic is 9.06.

Compute the P-value for this test. (Report answer to three decimal places. Answer must be within +/- 0.001 of correct value.)

Please help me with both this is my last assignment that i have to turn in for my class and this is my last available question.


Answers

From the given information,

By using calculator,

The required correct answers are,

Que. 1

Test statistic= 10.869

Que. 2

P-value= 0.029

Please help me out by just rating the answer.

Thank you so much.

.

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