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3 years ago

What is the range for this set of data? 7 15, 12 03 KO 5 8 012

Mathematics

1 answer:

natima [27]3 years ago

4 0

I'm not sure what KO means, so I'll diregard that for now.

How do we figure out the range of a data set?

The rules state we must find the difference between the smallest and largest numbers in the data set.

Let's organize the numbers, least to greatest.

$(3, 5, 7, 8, 12, 12, 15)$

Because we organized this from least to greatest, all we need to do is subtract the first number from the last number:

$15 - 3 = 12$

That means...

The range of the data set is 12!

Please let me know if this helped you, or if you have any questions!

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Please help explanation if possible

poizon [28]

Step-by-step explanation:

Hi there!

The given equation is:

y = -2x + 5………………(i)

Comparing the equation with y = mx+c, we get;

m1 = -2

Also another equation of the line which passes through point (-4,2), we get;

(y-2) = m2(X+4)............(ii) { using the formula (y-y1) = m2(x-x2)}

According to the question, they are perpendicular to eachother, So according to the condition of perpendicular lines;

m1*m2 = -1

-2*m2 = -1

or, m2 = 1/2.

Therefore, m2= 1/2.

Now, keeping the value of m2 in equation (ii).

(y-2) = 1/2(x+4)

y = (1/2)x + 4

Therefore, the required equation is: y = (1/2)x + 4.

Hope it helps!

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3 years ago

PLZ HELP FAST If you spend $3 on 6b apples, what is the unit rate (in dollars) per apple?

Ierofanga [76]

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Step-by-step explanation:

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3 years ago

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3/2+3/5x=9/2+4/5x Please answer in detail

Ksivusya [100]

Answer:x=-15

Step-by-step explanation: Solve for x by simplifying both sides of the equation, then isolating the variable.

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3 years ago

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What is the margin of error for a sample statistic for a population with a standard deviation of 7.75?

3241004551 [841]

Answer:

Margin of Error = 1.96 $\times$ 7.75 = 15.19

Step-by-step explanation:

i) Margin of Error of a population with a standard deviation of 7.75?

ii) Let us assume a two tailed test with a 95% confidence interval

iii) $Z_{\frac{\alpha }{2} } = Z_{\frac{\ 0.05 }{2} } = Z_{0.025} = 1.96$

iv) therefore Margin of Error = 1.96 $\times$ 7.75 = 15.19

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3 years ago

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tester [92]

26.8 hope this helps

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3 years ago