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goldfiish [28.3K]
3 years ago
9

Conduct a hypothesis test to test the hypothesis that cloud seeding with silver nitrate increases rainfall. Use significance lev

el 0.1. Based on what you observed in answering the previous question, are you confident that this is a valid test? If not, what assumptions are violated?
Do I use the one sample t-test, two sample t-test, or the paired t-test?
Mathematics
1 answer:
masya89 [10]3 years ago
6 0

Answer:

Paired t-test

Step-by-step explanation:

paired t–test is used  when there is one measurement variable and two nominal variables. The most common design is that one nominal variable represents individual organisms, while the other is "before" and "after" some treatment.

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4 years ago
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ArbitrLikvidat [17]

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P(NOT printed page) = 3/38

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3 years ago
What's the answer ?????
kow [346]
Okay, so all this question wants you to do is plug in 2 for x and solve for your output, aka y.

y = -4x² - 8

when x = 2....
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y = -16 - 8
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4 0
3 years ago
Find the vertex of the parabola. y = -4x2 - 16x - 11
emmasim [6.3K]
The standard equation is y=ax^2+bx+k and the vertex way is y=a(x-h)(x-h)+x
so the coordinate for x is -b/2a, for your problem a=-4   b=-16 so the coordinate for x is -(-16)/(2*(-4))=-2. Now you have to replace x=-2 in your equation y=-4(-2)^2-16(-2)-11= 5.
The vertex is (-2, 5)
5 0
4 years ago
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