Answer:
B. Stratified sampling, because there are specific subgroups to investigate.
Step-by-step explanation:
Stratified Sampling is a sampling method and is used when the population has subgroups with different characteristics. Random sampling is applied in each of the sub-groups <em>proportional </em>to their size and then these samples <em>combined </em>together to create sample of the study.
Since there are three towns with people from different occupations ( retirees,business owners, office workers), it is better to use stratified sampling method.
Answer:
B) 454.50
Step-by-step explanation:
-25.50 + 480.00 = 454.50
Between 2pm and 4pm the average rate of change is zero.
I can't see the answer choices for the second part of the question.
I hope this helps you
8m+7m+4n-2n
15m+2n
Answer:
A. NO
B. YES
C: YES
D: NO
Step-by-step explanation: