**Business Travel Analysis**The Global Business Travel Association reported the domestic airfare (in dollars) for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years.| Current Year | Previous Year ||--------------|---------------|| 345 | 315 || 526 | 463 || 420 | 462 || 216 | 206 || 405 | 432 || 635 | 585 || 710 | 650 || 605 | 545 || 517 | 547 || 570 | 508 || 610 | 580 |**Hypothesis Testing**Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period.1. Null Hypothesis ($H_0$): There is no significant increase in the mean domestic airfare for business travel from the previous year to the current year.2. Alternative Hypothesis ($H_a$): There is a significant increase in the mean domestic airfare for business travel from the previous year to the current year.The image includes a set of hypotheses options represented by radio buttons. Choose the correct hypothesis to analyze whether there is a significant increase in airfares. ### Analysis of Domestic Airfare for Business Travel- **Hypothesis Testing:** - **Test Statistic Calculation:** - Formula used: (Current year airfare - Previous year airfare). - Result: 2.05 (rounded to three decimal places). - **p-Value Calculation:** - The calculated p-value is not shown and should be rounded to four decimal places. - **Conclusion Using 0.05 Level of Significance:** - Hypothesis $ H_0 $: There has been no significant increase in mean domestic airfare for business travel over the one-year period. - Hypothesis $ H_1 $: There has been a significant increase. - Based on the provided options and the checkmark, the test leads to rejecting $ H_0 $. - Conclusion: We can conclude that there has been a significant increase in mean domestic airfare for business travel for the one-year period.- **Sample Mean Domestic Airfare:** - **Current Year:** $4,723 - **Previous Year:** $4,723- **Percentage Change in Mean Airfare Over One Year:** - The calculated percentage change is shown as 4.7% (rounded to one decimal place).#### Additional Information:This exercise includes performing a hypothesis test to determine changes in airfare costs based on statistical analysis, focusing on critical thinking and data interpretation in an academic context.

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MATLAB: An Introduction with Applications

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Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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