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True [87]
3 years ago
11

Which of the following statistics provides us with a measure of the variation in the dependent variable explained by the Simple

Linear Regression model?
Group of answer choices

Standard Deviation

R-Squared

Slope

t-Statistic

Sample Siz
Mathematics
1 answer:
bija089 [108]3 years ago
3 0

Answer:

R-Squared

Step-by-step explanation:

In a simple linear regression model, R-Squared or R² represents the proportion or percentage of the variation of dependent variable, explained by an independent variable or variables.

In simple terms, it is a measure of how well the variation of one variable explains the variation of the other.

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Drex's and Max's ages add up to 29.Seven years ago Drex was twice as old as Max. Find their present ages​
nexus9112 [7]

Answer:

There present ages are

Drex age = 17 years

Max age  =  12 years

Step-by-step explanation:

Given as ,

The sum of age of Drex and Max = 29 years

And seven years ago Drex was twice as old as max

So , Let the Age of Drex = D   and Max age = M

I.e (D - 7 ) = 2 (M - 7)

Or, D - 7 = 2M - 14

Or, 2M - D = 7

And Also D + M = 29  

So , from both equations

(2M - D ) + (D + M) = 29 +7

Or,  3M = 36

I.e M = \frac{36}{3} = 12 years

∴ The Age of Drex = 29 - M

  The Age of Drex = 29 - 12 = 17 years

Hence there present ages are

The Age of Drex = 17 years

The Age of Max = 12 years     Answer

6 0
3 years ago
The height of an ostrich is 20 inches more than 4 times the height of a kiwi. If an ostrich is 108 inches tall, how tall is a ki
blagie [28]
The answer would be (108-20)4=22
3 0
3 years ago
Read 2 more answers
Help and I will give brainliest alot
Nikitich [7]

Answer:

dude i cant read it its to small

Step-by-step explanation:

8 0
2 years ago
On Saturday, Alan traveled North along minor roads averaging 36 mph to visit a friend. On Sunday, he traveled East along main ro
Dvinal [7]

Answer: the trip (one-way) that Alan made on Saturday was 63 miles.

Step-by-step explanation:

Let x represent the distance of the trip that Alan made on Saturday.

Let t represent the time that it took Alan to make the trip on Saturday.

On Saturday, Alan traveled North along minor roads averaging 36 mph to visit a friend.

Distance = speed × time.

Therefore, distance travelled on Saturday would be

x = 36 × t = 36t

On Sunday, he traveled East along main roads averaging 60 mph to visit his mother. The trip to visit his mother was 24 miles longer and took 18 minutes(18/60 = 0.3 hours) less. This means that the distance travelled would be

x + 24 and the time spent would be t - 0.3 hours.

Distance travelled on Sunday would be

x + 24 = 60(t - 0.3)

x + 24 = 60t - 18 - - - - - - -- - - 1

Substituting x = 36t into equation 1, it becomes

36t + 24 = 60t - 18

60t - 36t = 24 + 18

24t = 42

t = 42/24 = 1.75

x = 36t = 36 × 1.75

x = 63 miles

4 0
3 years ago
Change 1.234 to a percent
Nookie1986 [14]

Answer:

1.234 / 100  =  0.01234

Therefore;

0.01234 x purchase price = profit

same as

purchase price  / 1.01234  = profit

formula    Cost or initial Price   x    (  % / 100 )

and show % as a  whole number ie ) 1.234 / 100 = 0.01234

= cip x 1.01234 = profit

When we divide by 100 the 1 moves two spaces to the right.

when we have to find initial price from given sale price

we deduct given percentage from 100% and use that to multiply with instead omitting the 1 if its depreciating or adding the 1 if its original price ticket.

6 0
3 years ago
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