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denpristay [2]
3 years ago
6

I can't figure this one out.

Mathematics
1 answer:
lyudmila [28]3 years ago
6 0

Answer:

it increase and by 16.7

Step-by-step explanation:

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Test the claim below about the mean of the differences for a population of paired data at the level of significance α Assume the
Evgen [1.6K]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The  correct option is F

t =  1.17

t_ {\alpha , df} =t_ {0.10 , 8} = 1.86

Since the test statistics<u> is outside </u>the rejection region , <u>we fail to reject </u>the null hypothesis ,There<u> is no</u>  statistically significant evidence to reject the claim

Step-by-step explanation:

From the question we are told that

    The  claim is  \mu =  0

Hence  

      The  null hypothesis is  H_o  :  \mu = 0

       The  alternative is  H_a  :  \mu  \ne  0

Generally the test statistics is mathematically represented as  

                 t =  \frac{\= d - \mu_d }{ \frac{s_d}{ \sqrt{n} } }

=>              t =  \frac{3.5 -0 }{ \frac{8.94}{ \sqrt{9} } }

=>              t =  1.17

Generally the degree of freedom is mathematically represented as

      df  =  n- 1

      df  =  9 -  1

      df  =  8

From the student t-distribution table  the critical value of  \alpha at a degree of freedom of  8 is  

          t_ {\alpha , df} =t_ {0.10 , 8} = 1.86

Since the t_ {\alpha , df} is  outside the rejection region , we fail to reject the null hypothesis ,There is no sufficient evidence to reject the claim

4 0
4 years ago
Which of the following has a unit rate of
lianna [129]


Divide m (miles) by h (hours) to get your answer
85/5=17
Answer is B
7 0
3 years ago
Read 2 more answers
I NEED HELP EXPLAINING HOW I GOT MY ANSWER ILL GIVE 100 POINTS PLEASEEE?!?!?
attashe74 [19]

Answer:

<h2>h =  \frac{S - 2πr²}{2\pi r}</h2>

Step-by-step explanation:

S = 2πr² + 2πrh

<u>Move 2πr² to the left side of the equation</u>

That's

2πrh = S - 2πr²

<u>Divide both sides by 2πr to make h stand alone</u>

That's

<h3>\frac{2\pi rh}{2\pi r}  =  \frac{S - 2πr²}{2\pi r}</h3>

We have the final answer as

<h3>h =  \frac{S - 2πr²}{2\pi r}</h3>

Hope this helps you

6 0
4 years ago
ms evans went to the store to buy some cupcakes. she brought 129 cupcakes. she wants to put 5 cupcakes in each box.how many boxe
NeTakaya
129 divided by 5 is equal to 25 with a remainder of 4. 

This means that she will need a total of 26 boxes, but only 25 of them will have 5 cupcakes in them. The last one will have 4 cupcakes.
6 0
3 years ago
Read 2 more answers
How do I solve this problem?
NARA [144]
Here is the work! The zeros of the graph are at -1 and 3

6 0
3 years ago
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