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slega [8]
2 years ago
5

75, 80, 86, 88, 72, 80 Find the Mean of the data set *

Mathematics
2 answers:
Mademuasel [1]2 years ago
8 0
The answer is around 80.17
Anna007 [38]2 years ago
8 0

Answer:

The mean is 80

mode:80

median:80

I hope I helped!

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A researcher is 95% confident that the interval from 5.2 hours to 7.8 hours captures u = the true mean amount of time
igor_vitrenko [27]
<h3>Answer: Choice B</h3>

No, this is not a plausible value for the population mean, because 5 is not within the 95% confidence interval.

====================================================

Explanation:

The greek letter mu is the population mean. It has the symbol \mu which looks like the letter 'u' but with a tail at the front or left side.

The question is asking if mu = 5 is plausible if the researcher found the 95% confidence interval to be 5.2 < mu < 7.8

We see that 5 is <u>not</u> in that interval. It's a bit to the left of 5.2

Since mu = 5 is not in the interval, it's not a plausible value for the population mean.

Have we ruled it out with 100% confidence? No. Such a thing is not possible. There's always room for (slight) error. The researcher would need to do a census to be fully confident; however, such practices are very time consuming and expensive. This is the main reason why statistics is important to try to estimate the population with a sample.

8 0
2 years ago
Ronald is making hats and scarves for charity. He has enough yarn to make 5 hats and 8 scarves. Takes him 12 hrs to knit a hat,
kari74 [83]

Constraints are simply the subjects of an objective function.

The inequality that represents the constraint is: 12x + 6y \le 20

Represent the number of hats with x, and the number of scarves with y.

From the question, we have:

  • He spends 12 hours to knit a hat
  • He spends 6 hours to knit a scarf

So, the equation of the total time spent is:

Time = 12x + 6y

This time spent is not more than 20 hours.

So, the inequality is

12x + 6y \le 20

Hence, the inequality that represents the constraint is: 12x + 6y \le 20

Read more about constraints at:

brainly.com/question/24574823

3 0
2 years ago
PLEASE HELP! ITS DUE TOMORROW AND I HAVE NO IDEA WHAT TO DO!! T^T
Nata [24]

Answer:

1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 hope it help jk dont do this i have no clue

Step-by-step explanation:

10000000000000o0000000000000000000000000000000000000000ooooooooooooooooooooooooooo0000oooo00o0o0o0oo00oooooooo0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ooooooooooooooooooooooooooooooooooooooo

4 0
2 years ago
Read 2 more answers
What is fifty four divides by four?
galben [10]
54 divided by four is 13.5 or 27/2
4 0
2 years ago
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Marisa had 89 maps to give visitors at the state park on Saturday. At the end of the day, she had 12 maps left. Which equation c
zysi [14]
89 - 12 could be it. Then u would get 77. So 77 is the number of maps that Marisa gave to the visitors.

hope it helps!
3 0
3 years ago
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