Answer:
1) C
2) C
3) A
Step-by-step explanation:
1) The right answer is C.
Each volunteer is a pair, consisting of the test of each chair. The difference can be compared for each individual and treated as a paired t-test.
2) The right answer is C.
There is no paired relation between the houses of each sample. There are two independent samples with the same sample size.
3) The right answer is A.
The hours are selected at random, so there is no relation between the hours picked for each worker. There are two indpendent samples with the same sample size.
Answer:
Angle 1 : h
Angle 2 : k
Step-by-step explanation:
It's 248 ft because it increased by 24%, you do 200 ft times 1.24 to get 248 ft.
Answer:
-5y-12
Step-by-step explanation:
Multiply 6 into 2y
7y-12y-12
-5y-12
