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.
I think the answer is A
Hope it helps :-)
Answer:
Step-by-step explanation:
Answer:
3 x-intercepts
Step-by-step explanation:
f(x) = x⁴ - 5x²
Answer:
I think its the last one if you get it wrong im SOOO sorry
