stat101 --discussion
A survey was conducted to determine if the air travel anxiety depends upon the frequency of air travel. The number of passengers self -reporting air travel anxiety based on their frequent fliers status is as follows.
Anxiety
No Anxiety
Total
Not a frequent fliers
10
30
40
Frequent Fliers
20
40
60
Total
30
70
100
Write the answers of the following questions:
- Write the Null and Alternative Hypothesis.
- What is expected frequency corresponding to the observed frequency 40?
- What is the degree of freedom for this testing?
- If the calculated value of test statistic
is 0.79 and the critical value of with is 3.841, write a statement whether you reject the null hypothesis or not.
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