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Cloud [144]
3 years ago
6

A schools principal wants to determine which type of speaker the students prefer to invite to an assembly for the entire student

population which surgery method would produce the best representative sample?
Mathematics
1 answer:
frosja888 [35]3 years ago
7 0
For a survey like this, you want to take a random sample. It would be a good idea to use an alphabetical list of the students. Then, you could randomly select students from the list.

The principal would want to avoid surveying all the same type of students. For example, don't just ask the athletes.
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A graphing calculator is more accurate than graphing by hand. If the slope and/or y-intercept is a fraction or decimal, it is more difficult to accurately graph by hand.

Step-by-step explanation:

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2 years ago
Tim predicts he will get 98 points on the next exam. If Tim actually earned 62 points, what was Tim's percent error? Round your
cupoosta [38]
% change= (new # - original #) ÷ original # x 100

original #= 98
new #= 62

% change= (62-98)/98 x 100
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Rounded to nearest 10th of %= -36.7%

CHECK:
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= 62 new #

ANSWER:
Her percent error was 36.7% (rounded to the nearest tenth of a percent). The negative indicates a decrease.

Hope this helps! :)
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Need help with this problem h+-3=4 please
Anna71 [15]

Answer:

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