You 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 for both years. Current Year 345 526 420 216 285 405 635 710 605 517 570 610 Previous Year 315 463 462 206 275 432 585 650 545 547 508 580 (a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. Ho: Haso H:HVO
You 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 for both years. Current Year 345 526 420 216 285 405 635 710 605 517 570 610 Previous Year 315 463 462 206 275 432 585 650 545 547 508 580 (a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. Ho: Haso H:HVO
MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Question
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DATAfile: Business Travel
(a)
66°F
Mostly sunny
?
Current
Year
You 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 for both
years.
345
526
420
216
285
405
635
710
605
517
570
610
2
Ho: H0
Ha: μ = 0
Hod=0
HO
Previous
Year
315
463
462
206
275
432
585
650
545
547
Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period.
Ho: Maso
Ha: Ho
#
508
580
3
$
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Transcribed Image Text:esc
DATAfile: Business Travel
(a)
66°F
Mostly sunny
?
Current
Year
You 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 for both
years.
345
526
420
216
285
405
635
710
605
517
570
610
2
Ho: H0
Ha: μ = 0
Hod=0
HO
Previous
Year
315
463
462
206
275
432
585
650
545
547
Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period.
Ho: Maso
Ha: Ho
#
508
580
3
$
4
C
f5
%
5
11
f6
T
4-
6
♫+
&
104 Toldys
7
fg
144
fg
savet 10
00
hp
DII
✔
Ge
f10
DDI
0
...OCE
a
Dece*
12.
insert
P
4
prt sc
***
**
CEN
ELE
L+
TUES
delete
backspace
{
home
num
lock
end
D
7
home
5:39 PM
10/9/2022
pg up
سلام و
pg dn
ng up
![O
UULG
H₂: H
Ho: Md
< 0
Ha: P = 0
Pd
Ho: Pd
Ha: Pd
20
< 0
Calculate the test statistic. (Use current year airfare - previous year airfare. Round your answer to three decimal places.)
2.05
x
Calculate 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 Ho. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year
period.
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.
66°F
Mostly sunny
(b) What is the sample mean domestic airfare (in dollars) for business travel for each year?
$4.723
current
previous
$4.723
(c) What is the percentage change in mean airfare for the one-year period? (Round your answer to one decimal place.)
4.7
X%
Need Help?
X
X
Read It
Watch It
0
2
hp
២
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Transcribed Image Text:O
UULG
H₂: H
Ho: Md
< 0
Ha: P = 0
Pd
Ho: Pd
Ha: Pd
20
< 0
Calculate the test statistic. (Use current year airfare - previous year airfare. Round your answer to three decimal places.)
2.05
x
Calculate 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 Ho. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year
period.
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.
66°F
Mostly sunny
(b) What is the sample mean domestic airfare (in dollars) for business travel for each year?
$4.723
current
previous
$4.723
(c) What is the percentage change in mean airfare for the one-year period? (Round your answer to one decimal place.)
4.7
X%
Need Help?
X
X
Read It
Watch It
0
2
hp
២
W
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