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Studentka2010 [4]
2 years ago
13

A hypothesis test is conducted at the 0.05 level of significance to test whether or not the population correlation is zero. If t

he sample consists of 25 observations and the correlation coefficient is 0.60, what conclusion should be drawn
Mathematics
1 answer:
Svetllana [295]2 years ago
5 0

3.60

t = r√n − 2/1 − √r2

= 0.6√25 − 2/√1 − 0.62

= 3.5969 t or about 3.60 rounded to two decimal places.

Hypothesis Testing:

Hypothesis testing is a form of statistical inference that uses data from a sample to draw conclusions about a population parameter or a population probability distribution. First, a tentative assumption is made about the parameter or distribution. This assumption is called the null hypothesis and is denoted by H0.

Learn more about Hypothesis Testing on:

brainly.com/question/4232174

#SPJ4

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3 years ago
Which system of equations has infinitely many solutions?
schepotkina [342]

Answer: B.

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Step-by-step explanation:

Let's solve your system by elimination.

4x−2y=8;−2x+2y=6

Add these equations to eliminate y:

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Substitute 7 for x in 4x−2y=8:  

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−2y=−20  

−2y/−2=−20/−2  (Divide both sides by -2)  

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3 years ago
6 in Fig. 15.4. DABC is an equilateral triangle.
s344n2d4d5 [400]

Answer:

999

Step-by-step explanation:

this is the answer but I don't sure.

3 0
3 years ago
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How many degrees has aABC been rotated counterclockwise about the<br> origin?
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