Where's the graph that represents the speed of the sea lion?
The sampling technique used when A scientist chooses twenty people at random from each class is stratified sampling.
<h3>What is
stratified sampling?</h3>
Stratified sampling can be described as the type of sampling method whereby the total population is been divided into smaller groups or strata.
This usually done to complete the sampling process, hence The sampling technique used when A scientist chooses twenty people at random from each class is stratified sampling.
Read more on the stratified sampling here:
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Answer:
a. 5 . 2/ -1 + -8
b. 5+ (-1) multiply ( 4 -8)
c. 15 -1^3
Step-by-step explanation:
