Answer:
c) it appears to be sound because the data are not biased in anyway.
Step-by-step explanation:
From the information given regarding the sample selection method , the size, the larger sample from which the survey subject were selected, we can conclude that the data is sound and not in anyway biased. The subject were selected from a reputable market research firm, which means the subjects were chosen from a larger sample which is reliable and not just a voluntary pool of subjects. Also, the selection process is randomized. Based on these, there are no flaws which are likely to cause the introduction of bias into the sample selected. Hence, the data is sound and not in any way biased.
Step-by-step explanation:
when 11 is decreased by a number, the result is 413
You should be able to set up a proportion between the sides something like (18+x)/x=(56+21)/56
It’s important because you may doing something that includes that and you don’t have a ruler etc..
Answer:
Step-by-step explanation:
