Answer: Stratified
Explanation:
The stratified sampling can be defined as the sampling from the population which is partitioned or divided into many parts.
Here, the lady has divided her day into three parts morning, afternoon and evening.
This is a way which is used to take sample randomly from the population. therefore, Keri took 4 random sample from each part of the day.
This is a type of stratified sampling.
Platypus reproduction is nearly unique. It is one of only two mammals (the echidna is the other) that lay eggs. ... The duck-billed platypus finds food by feel and by detecting electrical signals. The male platypus has a venomous spur on the inside of its ankle.
Answer:
A
Explanation:
Data is PURPOSELY changed, not accidentally. This is fraud. To prove a hypothesis is for personal or financial gain, again demonsteating fraud.
Mistakes, rejecting information and not following theoretical laws are all not as demonstrative of fraud as A, therefore A should be the correct answer
