Answer:
Step-by-step explanation:
33/3 = 11
36/3 =13
11 :13
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:
£978
Step-by-step explanation:
i did use a calculator so i don't know if this is wrong or not, sorry if it is.
Answer:
You add all of the sides... or you can multiply one side with 4.
Hope this helps! Please mark as brainliest.
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Answer:
Car
Step-by-step explanation:
Well, the car is 21 feet in one second.
6*21=126
The truck, however, is 18 feet per second.
18*6=108
The car is faster.
