8) C
(The null hypothesis always states there is no difference between the alternatives.)
A restaurant manager wants to learn which style of guestroom decoration is more appealing to her guests. She decorates one guestroom like a bright garden and another guestroom like a shady garden. Based on her marketing research, she suspects that the bright garden room is more attractive to her guests than the shady garden room is. To confirm her suspicion, she counts every day the number of guests who request each room for two months. Can she conclude that the bright garden room is more popular than the shady garden room?
Number of guests by type of guestroom decoration
Bright garden: Mean = 100 Standard Deviation = 10 N = 60
Shady garden: Mean = 85 Standard Deviation = 12 N = 60
7. The research hypothesis is:
A.
The bright garden room is more attractive than the shady garden room.
B.
The bright garden room is not more attractive than the shady garden room.
C.
The bright garden room is less attractive than the shady garden room.
D.
The shady garden room is more attractive than the bright garden room.
4 points
QUESTION 8
8. The null hypothesis is:
A.
The bright garden room is more attractive than the shady garden room.
B.
The bright garden room is less attractive than the shady garden room.
C.
The bright garden room is not more attractive than the shady garden room.
D.
The shady garden room is more attractive than the bright garden room.
