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IceJOKER [234]
2 years ago
15

A school principal is trying to collect data about how often students earn detention. To do so, she gives a 7-question survey du

ring detention one afternoon. Which of the following is likely to cause bias in the data?
A.The survey is conducted in the afternoon
B.The survey is only conducted on one day
C.The survey is only given to scholars who earned detention
D.The survey did not have enough questions
Mathematics
1 answer:
ExtremeBDS [4]2 years ago
3 0

Answer:

B

Step-by-step explanation:

I think B is right because it's only on one day so that one day could have way more kids than usual or way less.

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3 years ago
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If y varies directly with x, with k=0.75,what is the value of y when x=12
erma4kov [3.2K]

Answer:

9

Step-by-step explanation:

y=x

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7 0
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TEMA: Propriedade de Potência e Multiplicação de Números Negativos e Positivos.
GalinKa [24]
The correct answer is 34
7 0
2 years ago
Please help due in 20 minutes!!
Nikitich [7]

Answer:

length is 15.5 and the width is 12.5

Step-by-step explanation:

Length rectangle = 3cm. longer than its width.

Rectangle perimeter = 56 cm.

find its dimensions?

P = 2L +2w

L= w + 3

P= 56

P = 2L +2w

56 = 2(w+3) +2(w)

56 = 2w +6 + 2w

4w= 56 - 6

4w = 50

w = 50/4

w = 12.5

L= 12.5 +3 = 15.5

L= 15.5

Solution:

Length= 15.5 cm

Width = 12.5 cm

i know it looks complex but i hope this helps :)

7 0
3 years ago
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