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Brrunno [24]
3 years ago
12

Randomness is important to prevent bias. True False

Mathematics
1 answer:
blondinia [14]3 years ago
4 0

Answer by Mimiwhatsup: True.

Why by Mimiwhatsup: Randomness is used to ensure all that all the  groups in the study are as similar as possible.

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Which best represents the center of the data set below?
MA_775_DIABLO [31]

Answer: mean = 318.3

Median =330

Mode= 200

Step-by-step explanation:

Mean (average) is the total sum of values in a given a data set ÷ number of values

= 3820/12

Mean= 318.3

Median= midpoint value in a given data set. When the data set is an even number, median is calculated with the 2 middle point values as n1 + n2/2

Step 1: we rearranged the data set from least to highest value to give

200,200,220, 240,300,320,340,360,380,400,420 and 440

Median= 320 + 340/2

=660/2 = 340

Mode is the value with highest frequency in a given data set, from the given question, mode = 200

Please mark ad brainliest

3 0
3 years ago
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Someone please help me, use a variable to represent the situation, and solve the equation using inverse operations.
Scorpion4ik [409]

Answer:

36 in

Step-by-step explanation:

T= toucan

M= macaw

T= 2/3M

T= 24

24= 2/3M

72=2M

36= M

4 0
3 years ago
Read 2 more answers
The scores on a law school entrance exam are normally distributed with a mean of 250 and a standard deviation of 50. Suppose 320
Olegator [25]
\mathbb P(X>284)=\mathbb P\left(\dfrac{X-250}{50}>\dfrac{284-250}{50}\right)=\mathbb P(Z>0.68)\approx0.248

Out of 320 student, you should expect about 25% of them to score above 284, or about 80 students.
7 0
3 years ago
Find the mean and mode of the set of data.<br><br> 8, 7, 4, 6, 6
erica [24]
Mode is 6
Mean is 6.2
7 0
3 years ago
Factor the polynomial by its greatest common monomial factor.<br> 44k5 – 66k4 +77k3
Lilit [14]
Yes so basically 44k and 66k4 are the answer is in the your welcome
8 0
3 years ago
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