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Shalnov [3]
2 years ago
11

What association does the scatter plot show? Answer asap

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
8 0
The numbers go up in a linear fashion (by 1)

So, positive linear association
You might be interested in
Helppppp1!!\<br><br> (2x+4)=-4(-2x-6)
yulyashka [42]

Answer:

x=-10/3

Step-by-step explanation:

(2x+4)=-4(-2x-6)

distribute -4 to (-2x-6) by multiplying 

negative multiplied by a negative is a positive 

8x+24=2x+4

subtract 24 from each side 

8x=2x-20

subtract 2x from each side 6x=-20

divide both sides by 6 

-20/6 

simply to -10/3 or -3 1/3 or -3.3

x=-10/3

hope this helps! if you have any questions please ask!

4 0
1 year ago
The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customer
AlladinOne [14]

Answer:

4-2.326\frac{1}{\sqrt{100}}=3.767    

4+2.326\frac{1}{\sqrt{100}}=4.233    

So on this case the 98% confidence interval would be given by (3.767;4.233)

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

\bar X=4 represent the sample mean

\mu population mean (variable of interest)

\sigma=1 represent the population standard deviation

n=100 represent the sample size  

Solution to the problem

The confidence interval for the mean is given by the following formula:

\bar X \pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}}   (1)

Since the Confidence is 0.98 or 98%, the value of \alpha=0.02 and \alpha/2 =0.01, and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-NORM.INV(0.01,0,1)".And we see that z_{\alpha/2}=2.326

Now we have everything in order to replace into formula (1):

4-2.326\frac{1}{\sqrt{100}}=3.767    

4+2.326\frac{1}{\sqrt{100}}=4.233    

So on this case the 98% confidence interval would be given by (3.767;4.233)

   

4 0
3 years ago
Benito is selling T-shirts for $8 each for his school fund-raiser. So far, he has sold 16 T-shirts. How many more does he need t
zhannawk [14.2K]
D. When you do the math, the results to everything should be t=9. D is the only outlier. Therefore, D is the answer in this case. 
4 0
3 years ago
The entire rectangle below has an area of .
Nastasia [14]

Answer:

Hence the required ans. Is 24cm2.

Step-by-step explanation:

I have explained Ans. at above. See it and how you Understand it. If you have any doubt then Comment . if you Like then Plz Give me 5 star rating

5 0
3 years ago
The electric bill in May was $248.00. In June the bill was $265.00. What is the percent of increase rounded to the nearest hundr
natali 33 [55]
1) May: 248$ and june 265$. The difference is 17$ and then you divide the difference with the old price: 17/ 248 = 6,85% 
2) Same method, the difference is 59$ so 27,44%' 
3) The difference is 9,5$ so you answer is 63,3% 
<span>4) The difference is 10$ divided by the original price: 10/24 = 41,66%</span>
4 0
3 years ago
Read 2 more answers
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