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vagabundo [1.1K]
3 years ago
10

What did Galton use to calculate how strong the relationship was for the line of best fit? a bell shaped curve forensics genetic

testing the correlation coefficient
Mathematics
2 answers:
san4es73 [151]3 years ago
6 0

Answer:

the correlation coefficient  

Step-by-step explanation:

liubo4ka [24]3 years ago
4 0

<em><u>"Correlation Coefficient" is the value from between -1 and 1 indicates the strength of the correlation between two variables.</u></em> Galton calculated the correlation coefficient for the line of best fit, to see how strong the relationship was. Hope this helps you! Thank you for posting your question at here on Brainly. Have a great day. -Charlie

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PLS HELP a) -3*2-9 b) 2+ -4*-3
alekssr [168]

Answer:

hope this will help you...

Step-by-step explanation:

a) - 3 \times 2 - 9 \\ solution \\  - 3 \times 2 - 9 \\  - 6 - 9 \\  - 15 \\  \\ b)2 +  - 4 \times  - 3 \\ solution \\ 2 +  - 4 \times  - 3 \\ 2 + 12  \\ 14

7 0
1 year ago
What is the length of the missing leg?
Dmitry [639]

Answer: b = 8

Step-by-step explanation:

Use the Pythagorean theorem

A square + B square = C square

C square - A square = B square

C square - B square = A square

10 - 6 = b --Square it

100 - 36 = 64 (square root)

64 = 8

b = 8 miles

7 0
3 years ago
Please help me in this questions....​
Ivahew [28]

Part (i)

I'm going to use the notation T(n) instead of T_n

To find the first term, we plug in n = 1

T(n) = 2 - 3n

T(1) = 2 - 3(1)

T(1) = -1

The first term is -1

Repeat for n = 2 to find the second term

T(n) = 2 - 3n

T(2) = 2 - 3(2)

T(2) = -4

The second term is -4

<h3>Answers: -1, -4</h3>

==============================================

Part (ii)

Plug in T(n) = -61 and solve for n

T(n) = 2 - 3n

-61 = 2 - 3n

-61-2 = -3n

-63 = -3n

-3n = -63

n = -63/(-3)

n = 21

Note that plugging in n = 21 leads to T(21) = -61, similar to how we computed the items back in part (i).

<h3>Answer:  21st term</h3>

===============================================

Part (iii)

We're given that T(n) = 2 - 3n

Let's compute T(2n). We do so by replacing every copy of n with 2n like so

T(n) = 2 - 3n

T(2n) = 2 - 3(2n)

T(2n) = 2 - 6n

Now subtract T(2n) from T(n)

T(n) - T(2n) = (2-3n) - (2-6n)

T(n) - T(2n) = 2-3n - 2+6n

T(n) - T(2n) = 3n

Then set this equal to 24 and solve for n

T(n) - T(2n) = 24

3n = 24

n = 24/3

n = 8

This means 2n = 2*8 = 16. So subtracting T(8) - T(16) will get us 24.

<h3>Answer: 8</h3>
4 0
3 years ago
Emma is an artist and has created seven paintings. She plans to paint three additional paintings each week. What statements are
Katena32 [7]
The dependent variable is the total number of paintings.

The total number of paintings depends on the number of weeks that have passed.

<span>This scenario is a function because for each week that passes, there will be exactly one total number of paintings.</span>
3 0
3 years ago
Read 2 more answers
When factoring 6x2−7x−20 by grouping, how should the middle term be rewritten?
amm1812

Answer:

(3x+4)(2x-5)

Step-by-step explanation:

Factor by grouping.

8 0
3 years ago
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