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alexdok [17]
2 years ago
7

50 boys and 50 girls with ADD (Attention Deficit Disorder) were selected for an

Mathematics
1 answer:
Vladimir79 [104]2 years ago
7 0

Answer:

Design of Experiments Basics

Design of experiments (DOE) is a systematic method to determine the relationship between factors affecting a process and the output of that process. In other words, it is used to find cause-and-effect relationships. ... An understanding of DOE first requires knowledge of some statistical tools and experimentation concepts.

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If demand is D1, what is the lowest price that Stromnord can charge so that it will not run out of this model of shoe in the mon
Molodets [167]
D1 = 60 for a price of $80. Charging $80 will ensure supply exceeds demand.
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The store apparently could charge a price slightly lower than $80, but we cannot tell from the chart how much lower.
3 0
3 years ago
Moses earns a gross salary of 10 500 per month. th basic monthly expenses used from the income are as follows ,housing expense 2
Zolol [24]

Answer:

$126000

Step-by-step explanation:

Gross salary per month = $10500

Gross salary per annum

= Gross salary per month × 12

= $10500 × 12

= $126000

7 0
3 years ago
US Department of Transportation As part of a study on transportation safety, the US Department of Transportation collected data
Nonamiya [84]

Answer:

  • we can conclude that for every single unit of : x, y would be increased by 0.2871.  and intersection of x and y will be through =1.5974
  • it  can be  concluded that they are strongly positively correlated. There is strong and positive correlation between them. i.e the number of fatal accidents and the drivers under the age of 21

Step-by-step explanation:

WITH THE GIVEN DATA

A ) using regression to investigate the relationship between the number of fatal accidents and the percentage of drivers under the age pf 21

to fit into a regression line we must have ∝ and β

where β = \frac{S_{xy} }{S_{xx} }   = 0.2871

and ∝ = y - βx   =  - 1.5974

regression line = ∝ + β * x

insert values into regression line equation

regression line = -1.5974 + 0.2871 * x

we can conclude that for every single unit of : x, y would be increased by 0.2871.  and intersection of x and y will be through =1.5974

B ) conclusion and recommendations can you derive from your analysis

it  can be  concluded that they are strongly positively correlated. There is strong and positive correlation between them. i.e the number of fatal accidents and the drivers under the age of 21

using the correlation coefficient  ( r ) = \frac{S_{xy} }{\sqrt{S_{xx}*S_{xy}  } }    = 0.8394

5 0
3 years ago
2 4/7 divided by 1 3/6 =
Rudiy27

Answer:

Step-by-step explanation:

2,57 divided by 1.5 equals

1.713

7 0
1 year ago
Read 2 more answers
A storeowner sold a camera for $3000.He made a profit of 1/5 on this sale.What is the profit made on this sale?
iris [78.8K]
He made $600 profit on it. 3000 * .20 = 600
4 0
2 years ago
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