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Gemiola [76]
3 years ago
5

Use grid paper to find the median of the data. 9,7,2,4,3,5,9,6,8,0,3,8 The median is....

Mathematics
1 answer:
ololo11 [35]3 years ago
3 0
You want to put the numbers in order from least to greatest like this-
0,2,3,3,4,5,6,7,8,8,9,9
then you want to start from the left end and the right end then you start crossing them off until you have a median, you keep crossing off until you get 5 and 6 in the middle, now you have to find the mean of the two numbers you add them together than you divide by 2 like this- 5+6=11 11/2=5.5
5.5 is your answer
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A normally distributed data set has a mean of 0 and a standard deviation of 2. Which of the following is closest to the percent
frutty [35]

A normally distributed data set has a mean of 0 and a standard deviation of 2. The closest to the percent of values between -4.0 and 2.0 would be 84%.

<h3>What is the empirical rule?</h3>

According to the empirical rule, also known as the 68-95-99.7 rule, the percentage of values that lie within an interval with 68%, 95%, and 99.7% of the values lies within one, two, or three standard deviations of the mean of the distribution.

P(\mu - \sigma < X < \mu + \sigma)  \approx 68\%\\P(\mu - 2\sigma < X < \mu + 2\sigma)  \approx 95\%\\P(\mu - 3\sigma < X < \mu + 3\sigma)  \approx 99.7\%

A normally distributed data set has a mean of 0 and a standard deviation of 2.

Z=(x-\mu)/\sigma

P(x=-0.4)\\\\z=(-0.4-0)/2\\\\= -0.2\\\\P(x=2)\\z=(2-0)/2\\\\=1

P(-0.4 < x < 2)=p(-0.2 < z < 1)=p(-0.2 < z < 0)+p(0 < z < 1)……….(by symmetry)

=.49865+.3413

.83995…….(by (http://83995…….by) table value)

=.8400 × 100

=84%

Learn more about the empirical rule here:

brainly.com/question/13676793

#SPJ2

4 0
2 years ago
What is the equation in point-slope form of a line that passes through the points (7, −8) and (−4, 6) ?
Gala2k [10]
(7,-8)(-4,6)
slope = 6 - (-8) / (-4 - 7) = (6 + 8) / -11 = -14/11

point slope : y - y1= m(x - x1)
(-4,6)...x1 = -4 and y1 = 6
now we sub
y - 6 = -14/11(x - (-4) =
y - 6 = -14/11(x + 4) <===
5 0
3 years ago
Read 2 more answers
6 ten thousands mutilply 10 = what
Oksana_A [137]

Answer:

I believe the answer is six-hundred thousand (600000). That's if I read your question right. I'm not sure what you were asking exactly.

Step-by-step explanation:

6 (10000 x 10)

6 (100000)

600000

3 0
3 years ago
What is the value of x in the equation 2x + 3y = 36, when y = 6?
atroni [7]
X would equal 9. Subtract 18 from both sides then divide by two to get 9 as X
7 0
3 years ago
Read 2 more answers
Convert 0.34285714285 into an improper fraction
Stolb23 [73]

Answer:

34285714285/100000000000

Step-by-step explanation:

To write 0.34285714285 as a fraction you have to write 0.34285714285 as the numerator and put 1 as the denominator. Now you multiply the numerator and denominator by a number that makes the numerator to a whole number.

And finally, we have:

0.34285714285 as a fraction equals 34285714285/100000000000

5 0
3 years ago
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