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Shalnov [3]
3 years ago
10

George Box, a famous statistician, once said, "All models are wrong, but some are useful." What did George Box mean by this stat

ement?
Mathematics
2 answers:
4vir4ik [10]3 years ago
4 0

Answer:

Sample Response: A model is an estimate or approximation of a data set. In the real world, there are too many variables to know exactly what will happen. However, if a model is a good fit, then it can be used to make predictions about what will happen. With a useful model, a predicted value should be a good estimate of an observed value.

Step-by-step explanation:

ED2020

oksano4ka [1.4K]3 years ago
3 0

Answer:

a model is an estimate or approximation of a data set. In the real world, there are too many variables to know exactly what will happen. However, if a model is a good fit, then it can be used to make predictions about what will happen. With a useful model, a predicted value should be a good estimate of an observed value.

Step-by-step explanation:

Took the assignment

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the dimensions of a smaller rectangle are 3ft by 9ft the dimensions of a larger rectangle are 5ft by 15ft find the ratio of the
Alexxandr [17]

The ratio of the area of the smaller rectangle to the area of the larger

rectangle is \frac{9}{25}

Step-by-step explanation:

The formula of the area of a rectangle is A = l × w, where l and w

are its dimensions

  • The dimensions of a smaller rectangle are 3 ft by 9 ft
  • The dimensions of a larger rectangle are 5 ft by 15 ft

We want to find the ratio of the area of the smaller rectangle to

the area of the larger rectangle

∵ The dimensions of the smaller rectangle are 3 ft and 9 ft

∴ The area of the smaller rectangle = 3 × 9 = 27 feet²

∵ The dimensions of the larger rectangle are 5 ft and 15 ft

∴ The area of the smaller rectangle = 5 × 15 = 75 feet²

Let us find the ratio of the area of the smaller rectangle to the area

of the larger rectangle

→ smaller rectangle  :  larger rectangle

→ 27                           :  75

Divide the both terms of the ratio by 3

→ 9                             :  25

The two terms of the ratio do not divisible by any other number

∴ The simplest form of the ratio is 9 : 25

∴ The ratio of the area of the smaller rectangle to the area of the larger

   rectangle = \frac{9}{25}

The ratio of the area of the smaller rectangle to the area of the larger

rectangle is \frac{9}{25}

Learn more:

You can learn more about the ratio in brainly.com/question/10781917

#LearnwithBrainly

7 0
3 years ago
Smallest factor of 7 and 9 or 1/3 and 1/2
wel
For 7 and 9 is 1.
For 1/3 and 1/2 is 1.
That's your answer.
Or you mean.
7 and 9 is 63
1/3 and 1/2 is 1/6
4 0
3 years ago
is finding the perimeter of a figure with all sides of equal length easier tgan finding the perimeter of other figures?​
Lelu [443]

Answer:

yes, there are fewer numbers to compute.

It's just one length x the number of sides.

Step-by-step explanation:

6 0
3 years ago
Negitive 78 squared plus 3 a minus 9 minus 5 8th squared minus 6 a minus 4
Lorico [155]

Answer:

-6125

Step-by-step explanation:

negative 78 squared = -6084

-6084 + 3 - 9 = -6090

-6090 - 5 squared minus 6 minus 4 = --6125

I got confused by "8th" and "a minus" do you mean 3a, and 6a?



6 0
3 years ago
Please help solve with step by step answer : 15 divided (-5) - (-10) <br> Thanks
ELEN [110]

Answer:

3

Step-by-step explanation:

First, simplify (-5) - (-10).

-5 + 10 = 5

So, 15 divided by 5 is 3

8 0
3 years ago
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