Answer:
Step-by-step explanation:
The sample which is likely to produce the most valid result is Richard's sample because there was no statistical bias. Statistical bias is the systematic favoritism of certain individuals in the study. Just like what Adriana, Henry and Malik did in conducting their surveys, they choose people who are point of interest and also who are near them. In the way Richard conducted his survey, he used a random sampling technique, this is a method of selecting a sample from a population in such a way that every possible individual can be chosen and he doesn't know who these people are.
Answer:
B is the variable and A is the numerical coefficient
Answer:
-13
Step-by-step explanation:
Answer: 3,060
Step-by-step explanation:
Suss it is easy go to a rounding number calculator and BAMM your answer the steps are there also
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