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KIM [24]
3 years ago
9

Conduct a chi-squared test of independence on the data presented in data set

Mathematics
1 answer:
Novay_Z [31]3 years ago
4 0
What's a chi-squared?
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Please Help FAST
Aneli [31]

Answer:

Step-by-step explanation:

1) 2x -y = 1 -------1

3x - y = -6 ------2

Subtract eqn 2 from eqn 1

-x = 1--6 = 7

x = -7

Put x= -7 in eqn 1

2*-7-y = 1

-14-y = 1

- y = 15

y = -15

2) 4x +2y = 10------1

y = 4x + 2--------2

Put eqn 2 in eqn 1

4x + 2 ( 4x+ 2) = 10

4x + 8x + 4 = 10

12x = 6

x = 6/12 = 1/2

Put x = 1/2 in eqn 2

y = 4* 1/2 + 2= 2 + 2

= 4

3) 6x - y = 2------1

y = 3x + 4---------2

Put eqn 2 in eqn 1

6x - (3x +4) = 2

6x - 3x - 4 = 2

3x = 6

x = 2

y = 3*2 + 4 = 6 + 4

= 10

6 0
3 years ago
Okay so! This is really urgent and it’s due really soon and I really don’t understand this question, could someone please help?
grandymaker [24]

Answer:

the square root of 80 is greater than the square root of 8.1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
I need help with some geometry work, there’s a pic x
avanturin [10]

Answer:

it is congruent by SAS axiom

So go with option A

Congruent -SAS

Hope it will help :)❤

3 0
3 years ago
What is the area of the trapezoid
kodGreya [7K]
The answer is c
The are of the trapezoid is c bc that’s the answer I got and it was right
4 0
3 years ago
Read 2 more answers
At this rate, how much would 6 bagels cost?
dolphi86 [110]

Answer:

2 ½ dollars

Step-by-step explanation:

You take half of 5 and that makes 2 ½

6 0
3 years ago
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