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liberstina [14]
4 years ago
13

You have been discussing a research project with your friend Connor. Connor has told you that his research hypothesis states, th

e mean of population 1 is not equal to the mean of population 2. How would you write this research hypothesis in symbols?
Mathematics
1 answer:
bogdanovich [222]4 years ago
5 0

Answer:

Step-by-step explanation:

Given that you have been discussing a research project with your friend Connor. Connor has told you that his research hypothesis states, the mean of population 1 is not equal to the mean of population 2.

So our null hypothesis should be

H_0: \mu_1 =\mu_2\\H_a: \mu_1 \neq \mu_2

This is a two tailed test

How we write in symbols is shown in Ha as above.

not equal to sign is used here to represent.

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2 / .5 = 4

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Which of the following equations will produce the graph shown below?
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-2(5)^2+2(5)-3
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Sixteen, or 64%, of the students in Manny's class play a school sport or participate in a school club. The total number of stude
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5 0
3 years ago
Use Gauss-Jordan elimination to solve the following linear system.
svp [43]
<span>x – 2z = 9 so x = 2z + 9
6x – 2y – 5z = 29
–5x + 5y + 3z = –14

substitute </span>x = 2z + 9 into 6x – 2y – 5z = 29 and –5x + 5y + 3z = –14

6(2z + 9) – 2y – 5z = 29
12z + 54 - 2y -5z =29
-2y + 7z = - 25 (1st equation)

–5(2z + 9) + 5y + 3z = –14
-10z - 45 + 5y + 3z = -14
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multiply (1st) equation by 5 and (2nd) equation by 2
-10y + 35z = - 125
 10y - 14z = 62
-----------------------add
21z = - 63
 z = -3

substitute z = - 3 into x = 2z + 9

x = 2z + 9
x = 2(-3) + 9 
x = 3

substitute x =  3 and z = 3 into <span>6x – 2y – 5z = 29
</span>
<span>6x – 2y – 5z = 29
</span><span>6(3) – 2y – 5(-3) = 29
18 - 2y + 15 = 29
-2y + 33 = 29
-2y = -4
  y  = 2
x = 3, y = 2 and z = -3

answer
</span><span>B. (3, 2, –3)</span>
8 0
3 years ago
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