Calculate the test statistic. (Use current year airfareCalculate the p-value. (Round your answer to four decimal places.)p-value=Using a 0.05 level of significance, what is your conclusion?Do not reject H. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-yearperiod.Reject Ho. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period.O Do not reject Ho. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period.Reject Ho. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period.current$previous $(b) What is the sample mean domestic airfare (in dollars) for business travel for each year?-Need Help?64°FCloudyprevious year airfare. Round your answer to three decimal places.)(c) What is the percentage change in mean airfare for the one-year period? (Round your answer to one decimal place.)%Read ItWatch It?hpW DATAfile: Business TravelYou may need to use the appropriate technology to answer this question.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 foryears.escCurrentYear64°FCloudy345?526420216285405635710605517570PreviousYear6100 Hoi Hd #0H₂: d=0Hai315Hoid=OH:#0463462206275432585650545(a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period.Hoi Hd SoHVO547508580f4Hf5f64-f74+fgIAAfghpDIIf10fif12insertport scdeletehomeend2:42 PM10/9/2022pg up

Given: Total number of flights=12 Sample is: Current year previous year 345 315 526 463 420…

Answered: Calculate the test statistic. (Use…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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what is his mean test score?
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The International League of Triple-A minor league baseball consists of 14 teams organized into three divisions: North, South, and West. Suppose the following data show the average attendance for the 14 teams in the International League. Also shown are the teams' records; W denotes the number of games won, L denotes the number of games lost, and PCT is the proportion of games played that were won. Team Name Division w L PCT Attendance Buffalo Bisons North 66 77 0.462 8,816 Lehigh Valley IronPigs North 55 89 0.382 8,474 Pawtucket Red Sox North 85 58 0.594 9,092 Rochester Red Wings North 74 70 0.514 6,919 Scranton-Wilkes Barre Yankees North 88 56 0.611 7,144 Syracuse Chiefs North 69 73 0.486 5,767 Charlotte Knights South 63 78 0.447 4,529 Durham Bulls South 74 70 0.514 6,991 Norfolk Tides South 64 78 0.451 6,288 Richmond Braves South 63 78 0.447 4,457 Columbus Clippers West 69 73 0.486 7,797 Indianapolis Indians West 68 76 0.472 8,533 Louisville Bats West 88 56 0.611 9,154 Toledo Mud Hens…
Q You may need to use the appropriate appendix table or technology to answer this question. Last year, 50% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicates that 35% plan to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 60 business owners. (a) How many business owners in the survey plan to provide a holiday gift to their employees this year? business owners (b) Suppose the business owners in the sample did as they plan. Compute the p-value for a hypothesis test that can be used to determine if the proportion of business owners providing holiday gifts has decreased from last year. Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = (c) Using a 0.05 level of significance, would you conclude that the proportion of business owners providing gifts decreased? Reject Ho. There is…
Please answer all parts and write on the website so I can understand or try to make your handwriting readable as much as you can if you prefer to write on paper.
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A publisher reports that 61 % of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 320 found that 55 % of the readers owned a particular make of car. Determine the P-value of the test statistic. Round your answer to four decimal places. Answer How to enter your answer (opens in new window) Tables Keypad Keyboard Shortcuts
Suppose a certain retailer sells several models of refrigerators. A random sample of the models sold by this retailer and their corresponding cubic feet (cu. ft.) and list price can be found below. Model Model 1 Model 2 Model 3 with Thru-the-Door Ice and Water Model 4 Model 5 Model 6 with Thru-the-Door Ice and Water Model 7 Model 8 Model 9 with Thru-the-Door Ice and Water Model 10 with Thru-the-Door Ice and Water Model 11 with Thru-the-Door Ice and Water Model 12 Model 13 with Thru-the-Door Ice and Water Model 14 Model 15 Cu.Ft. List Price 18.3 24.8 25.4 19.3 17.3 19.6 25.0 24.5 18.0 $899.99 25.0 $1,799.99 20.2 $1,799.99 15.5 $749.99 $599.99 25.4 $1,299.99 $1,619.99 26.0 $1,299.99 $999.99 25.6 $1,099.99 $1,299.99 $679.99 $2,199.99 $849.99 $549.99 Model 16 with Thru-the-Door Ice and Water Model 17 Model 18 with Thru-the-Door Ice and Water Model 19 with Thru-the-Door Ice and Water Model 20 with Thru-the-Door Ice and Water Model 21 ⒸHO: B₁ ≤0 H₂: A₂ > 0 28.2 ⒸH₁: B₁₂ = 0 Ha! B₁ #0 27.8…
You are a consumer psychologist interested in holiday spending. A national census reports that the American family spent an average of µ = $81 for Halloween candy and costumes last year. A sample of N = 16 families this year produced a mean of $85 with s = 20. t-value ? t-critical?
The International League of Triple-A minor league baseball consists of 14 teams organized into three divisions: North, South, and West. Suppose the following data show the average attendance for the 14 teams in the International League. Also shown are the teams' records; W denotes the number of games won, L denotes the number of games lost, and PCT is the proportion of games played that were won. Team Name Division w L PCT Attendance Buffalo Bisons North 66 77 0.462 8,811 Lehigh Valley IronPigs North 55 89 0.382 8,473 Pawtucket Red Sox North 85 58 0.594 9,098 Rochester Red Wings North 74 70 0.514 6,911 Scranton-Wilkes Barre Yankees North 88 56 0.611 7,145 Syracuse Chiefs North 69 73 0.486 5,764 Charlotte Knights South 63 78 0.447 4,522 Durham Bulls South 74 70 0.514 6,997 Norfolk Tides South 64 78 0.451 6,288 Richmond Braves South 63 78 0.447 4,456 Columbus Clippers West 69 73 0.486 7,796 Indianapolis Indians West 68 76 0.472 8,537 Louisville Bats West 88 56 0.611 9,157 Toledo Mud Hens…
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your car is more crowded than you think. table 5.8 reports results from a 1969 personal transportation survey on "home-to-work" trips in metropolitan areas. The survey stated that the average car occupancy was 1.4 people. check that calculation.

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Current year	previous year
345	315
526	463
420	462
216	206
285	275
405	432
635	585
710	650
605	545
517	547
570	508
610	580