According to a newspaper article, the average play ticket in Tokyo costs more than twice that in New York City. An
economist interested in differences in the economies of
Japan and United States wishes to test whether the average
price of a play ticket in Tokyo exceeds that in New York
City by more than $6. A random sample from both cities
resulted in the following information.
Tokyo (1) New York City (2)
N
24
28
$21
x
$12
$1.5
s
$2
To test the claim that the average price of a play ticket in
Tokyo is more than six dollars more expensive than NYC's,
which of the following is appropriate for the alternative
hypothesis?