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.
Answer:
The number of registrants in art workshop is 49.
Step-by-step explanation:
The dance workshop has three times the number of registrants than the art workshop the art workshop has 98 less writings than the dance workshop how many registrations the art workshop has
Let the registrants in the art workshop is p.
The registrants in the dance work shop is 3 p.
According to question,
p = 3p - 98
2 p = 98
p = 49
So, the number of registrants in art workshop is 49.
Answer:
x = 17
Step-by-step explanation:
corresponding interior angles are supplementary, meaning they have to add up to 180 degrees so
6x + 8 + 4x + 2 = 180° then combine like terms ( 6x and 4x, 8 and 2 )
10x + 10 = 180 subtract 10 from both sides
-10 -10
10x = 170 divide each side by 10
/10 /10
x = 17
No, it is not a valid inference because her classmates do not make up a random sample of the students in the school.
Answer:
17 × -17?
Step-by-step explanation:
i dont think it needs explanation?
