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VMariaS [17]
3 years ago
10

Learn with an example v Luke counted the number of silver beads on each bracelet at Lexington Jewelry, the store where he works.

Silverbandaran huscolat​
Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
4 0
Where are the choices?
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Find the LinReg line of best fit for this data set.
finlep [7]

The LinReg line of best fit for this data set is ŷ = -1.24X + 0.66

<h3>What is regression line?</h3>

A linear regression line has an equation of the form Y = a + bX, where X is the explanatory variable and Y is the dependent variable.

Given:

(−5, 6.3),

(−4, 5.6),

(−3, 4.8),

(−2, 3.1),

(−1, 2.5),

(0, 1.0),

(1, −1.4)

Sum of X = -14

Sum of Y = 21.9

Mean X = -2

Mean Y = 3.1286

Sum of squares (SSX) = 28

Sum of products (SP) = -34.6

Regression Equation,

ŷ = bX + a

b = SP/SSX = -34.6/28 = -1.23571

a = MY - bMX = 3.13 - (-1.24*-2) = 0.65714

ŷ = -1.23571X + 0.65714

ŷ = -1.24X + 0.66

Learn more about regression line here:

brainly.com/question/7656407

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3 0
2 years ago
3a-3/a+6=9/6 what is a
Gekata [30.6K]

Answer:

a=1/2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
There are
cricket20 [7]

Answer:

shoes 324×2 =648

sandals 187×2 = 374

so 374 + 648 = 1022 shoes and sandal pairs

PLEASE MARK AS BRAINLIEST!!!!

ITS URGENT!!

3 0
3 years ago
Read 2 more answers
Find the probability that<br> x &lt;= -3
Slav-nsk [51]

Answer:

30%

Step-by-step explanation:

there are two numbers that fit in the x<=3 category, those being -3 and -5, so you add the two decimals for them (.17 and .13) to get .30 and move the decimal two times to the right to make it in percentage form.

6 0
2 years ago
Evaluate 5x + (-2x 2) for x = 3.<br><br> a. 21<br> b. -3<br> c. 11
Vladimir79 [104]

Answer:

C. 11

Step-by-step explanation:

Assuming the problem is 5x + (-2 * 2) with x equals 3.

5(3)+(-2*2)

15+(-4)=

15-4=11

5 0
3 years ago
Read 2 more answers
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