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maks197457 [2]
1 year ago
12

Which of the following statements about least squares regression analysis is true?

Mathematics
1 answer:
Lemur [1.5K]1 year ago
7 0

The statements about least squares regression analysis is true are I and III.

<h3>What is meant by regression analysis?</h3>

The statistical technique of regression analysis demonstrates the link between two or more variables. The method evaluates the relationship between a dependent variable and independent factors, and is frequently presented as a graph.

You can anticipate the effects of the independent variable on the dependent one by creating a regression analysis. For instance, we can claim that a linear regression model can adequately account for age and height.

Here,

From the given information in the question:

The statements I and III are correct.

And the statements are:

A point with a large residual is an outlier and the removal of an influential point from the data set could change the value of the correlation coefficient.

So, the statements  I and III are correct for the given information in the question.

To know more about regression analysis, visit:

brainly.com/question/28298210

#SPJ1

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Click an item in the list or group of pictures at the bottom of the problem and holding your mouse button down, drag it into the
faust18 [17]
The Pythagorean Theorem states that "When a triangle has a right angle of (90°), the square of its hypothenuse is equal to the sum of the squares of the other two sides."

The hypothenuse is the longest side of the triangle.

For example: A triangle has 3 sides. Side A, Side B, and Side C (hypothenuse).

Side A = 3; Side B = 4; Side C = 5; To check if the theorem is true, we must square all sides.

Side A = 3² = 9; Side B = 4² = 16; Side C = 5² = 25

Pythagorean theorem: The square of the hypothenuse is equal to the sum of the squares of two sides.

<span>Side A² + Side B² = Side C²  ==> 9 + 16 = 25 ==> 25 = 25</span>
8 0
3 years ago
Triangle ABC is similar to triangle DEF. Find the measure of side EF. Figures are not drawn to scale.
Svetach [21]

Answer:

KL is 1.2

JK Equal 2LK

and same thing in the first trangle

GH equal 2IH

7 0
3 years ago
The park james's house used to have a bike trail that was 12.347 kilometers long. Last year, the trail was reduced to 9.432 kilo
soldi70 [24.7K]
12.347
- 9.432
------------
2.915

The answer is:
D. 2.915 kilometers
3 0
4 years ago
Read 2 more answers
luis wants to buy a skateboard that usually sells for $79.99. all merchandise is discounted by 12%. what is the total cost of th
aivan3 [116]

<u>ANSWER: </u>

The total cost of the skate board is $74.61.

<u>SOLUTION: </u>

Given, Luis wants to buy a skateboard that usually sells for $79.99. all merchandise is discounted by 12%. luis has to pay a state sales tax of 6.75%.  

We need to find what is the total cost of the skateboard.

Final cost is nothing but original amount subtracted by discount and added with tax.

final cost = original cost – discount + sales tax

Original cost = $79.99

Discount = 12% of original cost

\begin{array}{l}{=12 \% \times 79.99} \\\\ {=\frac{12}{100} \times 79.99} \\\\ {=\frac{959.88}{100}} \\\\ {=9.5988}\end{array}

discount is $9.6 approximately

Sales tax = 6% of cost after discounting

\begin{array}{l}{=6 \% \times \text { (original cost - discount) }} \\\\ {=\frac{6}{100} \times(79.99-9.6)} \\\\ {=\frac{6}{100} \times(70.39)} \\\\ {=\frac{422.34}{100}} \\\\ {=4.2234}\end{array}

Sales tax is $4.22 approximately

Now, final cost = 79.99 – 9.6 + 4.22

= 84.21 - 9.6

= 74.61

Hence, the total cost of the skate board is $74.61

6 0
3 years ago
How many line segments are parallel to fe
polet [3.4K]
Can you repost with the picture please
8 0
4 years ago
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