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.
Median is 6 so your answer is C
Answer:
Step-by-step explanation:
Answer: Raise 1000 to the power of 4
1000000000000
Answer:
k = -5 and i think the other one is k=0
Step-by-step explanation:
<span>Pythagorean triple
a^2 + b^2 = c^2
so
5^2 + 12^2 = 13^2
25 + 144 = 169
169 = 169
answer is D. last one 5, 12 , 13</span>
