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erma4kov [3.2K]
3 years ago
9

A scientist measures the heights of 25 oak trees. When he finds a the mean of these data which phrase of inferential statistics

will it represent A. Data organization B: Data analysis C: Data gathering D: probability-based inference
Mathematics
2 answers:
igor_vitrenko [27]3 years ago
5 0

Answer:

data analysis

Step-by-step explanation:

iren2701 [21]3 years ago
3 0
D:probability-based inference

Hope i helped :)

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Step-by-step explanation:

How are we supposed to help...?

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3 years ago
2√72 + 5√242 what is the answer for this question please can u tell me the right answer​
Radda [10]

Answer:

67\sqrt{2}

Step-by-step explanation:

Assuming you require to simplify the expression.

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

Simplifying the radicals

\sqrt{72} = \sqrt{36(2)} = \sqrt{36} × \sqrt{2} = 6\sqrt{2}

\sqrt{242} = \sqrt{121(2)} = \sqrt{121} × \sqrt{2} = 11\sqrt{2}

Then

2\sqrt{72} + 5\sqrt{242}

= 2(6\sqrt{2} ) + 5(11\sqrt{2} )

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= 67\sqrt{2}

6 0
3 years ago
What is the area of this composite figure?
Gelneren [198K]

Answer:

249 centimeters squared

Step-by-step Explanation:

The area of the rectangle: l x w, where l is the length and w is the width.

= 15.5 x 18

= 279

Area of the smaller rectangle: l x w, where l is the length and w is the width.

= 4 x 7.5

= 30

We do not need this 30.

Area of the shaded region:

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2 years ago
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Answer:

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Step-by-step explanation:

6 dollars an hour means it would be 6x.

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3 years ago
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zhuklara [117]

$17.25. Divide 9.20 by 16 and mulitply by 30.

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3 years ago
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