Answer:
whats the question?
Step-by-step explanation:
The correct answer is:
[A]: "
(
)⁴ " .
_______________________________________________
Note: (

)⁴ =

;
=

;
=

.
_______________________________________________________Consider "
Choice [B]" : "
(
)⁴ " ;
Note: (

)⁴ =

;
=

;
=

.
Note that: "

"

"

" .
__________________________________________________________Consider "
Choice [C]"
: "
(
)² " ;
Note: (

)² =

;
=

;
=

.
Note that: "

"

"

" .
__________________________________________________________ → As such, the only correct answer choice is:
__________________________________________________________Answer choice: [A]: "
(
)⁴ " .
__________________________________________________________
Answer:
1) is correct. not second
Step-by-step explanation:
Probably the most effective method researchers use to prevent sampling bias is through simple random sampling where samples are selected strictly by chance.