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kozerog [31]
3 years ago
7

What is the distance between points (12, 4) and (12, –10) on the coordinate plane?

Mathematics
2 answers:
Kipish [7]3 years ago
5 0
<span>the distance between points (12, 4) and (12, –10) on the coordinate plane  is 14 units.

</span>
Kamila [148]3 years ago
3 0
The distance between the two points is 14 units
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Bruce turner pays $124.30 per month for his group medical coverage. His employer pays 65% of the cost. How much is the annual pr
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A health psychologist knew that corporate executives in general have an average score of 2.55 with a standard deviation of 0.5 o
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Kindly check explanation

Step-by-step explanation:

Given the following :

Population mean (μ) = 2.55

Population standard deviation (σ) = 0.5

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α = 0.05

STEP 1:

Stress score in general executive (s1)

Stress score in exercising executive (s2)

Null : s1 = s2

Alternative : s1 < s2

STEP 2:

Shape of distribution = normal

Population mean (μ) = 2.55

Population standard deviation (σ) = 0.5

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Sample mean (x) = 2.76

α = 0.05

Decision rule :

α = 0.05 which corresponds to a t score (t0) ;

df = n - 1 = 30 - 1= 30 at 0.05 = 1.699

If :

(Test statistic (t) > t0) ; reject the Null

(right tailed test)

Test statistic (t) :

(x - μ) / (σ/√n)

(2.76 - 2.55) / (0.5/√30)

0.21 / 0.0913

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Hence, reject the null at α = 0.05

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