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Construct a cross-tabulation table

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1. A chi-square test of independence value of chi square = 27.05 is calculated from data in a 4 × 5 contingency table. Assuming a .05 level of significance,

a. What is the degree of freedom?

b. Identify the critical value.

c. Do you reject, or fail to reject, the null hypothesis?

2. A chi-square test of independence value of chi square = 5.36 is calculated from data in a 2 × 2 contingency table. Assuming a .05 level of significance,

a. What is the degree of freedom?

b. Identify the critical value.

c. Do you reject, or fail to reject, the null hypothesis?

3. Auditors for the Military Airlift Command (MAC) are checking the arrival times of the three charter airlines they used in the Pacific last year. Galactic Airways flew 135 flights and was late 78 times. Kingshaw Airlines flew 94 flights and was late 35 times. Air State flew 115 flights, with 51 late arrivals. Construct a cross-tabulation table (that shows both column-percentages and observed frequencies) to represent these data.

Reference no: EM132848121

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