2 years ago

FOR EASY BRAINLIEST ANSWER THESE QUESTIONS: 1. 2. 3. 4. 5.

Mathematics

1 answer:

iVinArrow [24]2 years ago

3 0

Step-by-step explanation:

all answers and steps are in picture

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Step-by-step explanation:

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3 years ago

An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation a

Amiraneli [1.4K]

Answer:

Following are the responses to the given question:

Step-by-step explanation:

Mean Absolute Deviation MAD

$MAD = \sum_{i=1}^{n} \frac{\left | actual_{i}-forecast_{i} \right |}{n}$

Mean squared error

$MSE=\Sigma^{n}_{i=1} \frac{(Actual_i - Forecast_i)^2}{(n - 1)}$

linear trend equation is $Ft = 124 + 2t$

$MAD = \frac{23}{10} = 2.3\\\\MSE = \frac{91}{9}= 10.11\\\\$

Naive method

$MAD = \frac{36}{9} = 4\\\\MSE = \frac{202}{8}=25.25\\\\MAD (Naive) = 4\\\\MAD (Linear) =2.3\\\\MSE (Naive)=25.25\\\\MSE (Linear)=10.11\\\\$

Please find the attached file.

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3 years ago

WORK THIS CHALLENGE EXERCISE. A is known to be 6,500 feet above sea level; AB = 600 feet. The angle at A looking up at P is 20°.

adell [148]

Answer:

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Step-by-step explanation:

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Just if the two numbers multiple to 400 it can be an answer

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3 years ago

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