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2 years ago

What is the Mean , Median , Mode , Range for 9,6,7,5,3

Mathematics

2 answers:

-Dominant- [34]2 years ago

8 0

Answer:

the mean is 6

the median is 6

the mode there is none

the range is 6.

Debora [2.8K]2 years ago

8 0

Answer:

There is no mode. (they all appear once)

The lowest number is 3 and the highest is 9, so the range is 6.

The mean is the average, add them all up (30) and divide by the number of data sets (5). The average is 6.

I have to go to dinner so maybe let someone else help with the median? The median is the middle, so you have to order them and find the middle. Hope it helped!

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"a pollster wishes to estimate the number of left-handed scientists. how large of a sample is needed in order to be 98% confiden

nadezda [96]

The sample size should be 250.

Our margin of error is 4%, or 0.04. We use the formula

$\text{ME}=z\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}$

To find the z-score:
Convert 98% to a decimal: 0.98
Subtract from 1: 1-0.98 = 0.02
Divide both sides by 2: 0.02/2 = 0.01
Subtract from 1: 1-0.01 = 0.99

Using a z-table (http://www.z-table.com) we see that this value has a z-score of approximately 2.33. Using this, our margin of error and our proportion, we have:

$0.04=2.33\sqrt{\frac{0.08(1-0.08)}{n}}
\\
\\0.04=2.33\sqrt{\frac{0.08(0.92)}{n}}$

Divide both sides by 2.33:
$\frac{0.04}{2.33}=\sqrt{\frac{0.08(0.92)}{n}}$

Square both sides:
$(\frac{0.04}{2.33})^2=\frac{0.08(0.92)}{n}$

Multiply both sides by n:
$(\frac{0.04}{2.33})^2n=0.08(0.92)$

Divide both sides to isolate n:
$\frac{0.08(0.92)}{(\frac{0.04}{2.33})^2}=n
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\\n\approx 250$

4 0

3 years ago

Please help on this quiz

lbvjy [14]

Standard I believe tell me if I’m wrong

7 0

2 years ago

you want 75,000 in your savings account 12 years from now and you are prepared to make equal annaul deposits into the account at

Tpy6a [65]

Answer:

Annual deposit= $3,474.39

Explanation:

Giving the following information:

You want to have $60,000 in your savings account 12 years from now, and you’re prepared to make equal annual deposits into the account at the end of each year. The account pays 6.4 percent interest.

FV= {A*[(1+i)^n-1]}/i

A= annual deposit

Isolating A:

A= (FV*i)/{[(1+i)^n]-1}

A= (60,000*0.064)/[(1.064^12)-1]= $3,474.39

plz mark brainly

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2 years ago

What times 7 equals 56

PtichkaEL [24]

Seven times eight equals fifty six

8 0

3 years ago

Chile i need help again

ollegr [7]

Answer:

the answer is A

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

What is the Mean , Median , Mode , Range for 9,6,7,5,3​

What is the Mean , Median , Mode , Range for 9,6,7,5,3