Answer:
8x=32
Step-by-step explanation:
This is an example of "a stratified sample".
<u>Answer:</u> Option B
<u>Explanation:</u>
A group-based sampling process that can be divided into subpopulations. For statistical studies, testing of each subpopulation separately may be useful if subpopulations within a total population differ, thus understood as "Stratified sampling".
One might, for instance, divide a adults sample into subgroups in terms of age, like 18 to 29, 30 to 39, 40 to 49, 50–59 etc with decided age difference as needed. A stratified sample may be more accurate than an easy sample of the similar size by random. As it offers more accuracy, a stratified sample sometimes involves a smaller sample, saving money.
Answer:
bro use air math it will give u the answers trust me
Answer:
2,3 and 4
Step-by-step explanation:
Answer
64
Step-by-step explanation:
using pemdas you do parentheses first multilying 2 and -4 then raise it to the power of 2
