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3 years ago

Which sample is representative of the population being studied?

2 answers:

8 0

First, let's break down what the difference between a sample and population is. A sample is a small part or quantity intended to show what the whole is like. A population is all inhabitants of a town, country, or the world. Samples are only representative of the population if the data collected is being collected in a fair manner. In answer choices A - C, the researcher is collecting data in locations specific to what is being studied. The outcome is likely to be bias because of the method in which the data is being collected. It is for that reason that the correct answer is D. To learn how many students at her school spend more than $10 on books in a month, Mia speaks to every sixth student she meets in the school hallway.

fomenos3 years ago

7 0

Answer:

Step-by-step explanation:

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When Sally went bowling, her scores were 108, 72, and 95. If she bowls a 4th game, what will her score need to be to give her an

barxatty [35]

She needs a score of 89 for it to be an average of 91.00

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3 years ago

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Plzzzz help !!!! I need this done

STatiana [176]

Answer:

A) x + 2 ≤ 3

Step-by-step explanation:

To solve for this, you subtract 2 from both sides leaving you with:

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2 years ago

The measure of angle 1 is 27 degrees. Complement: Supplement:

Paladinen [302]

Answer:

Complement: 63°

Supplement: 153°

Step-by-step explanation:

NOTE: Supplementary angles are two angles that have a sum of 180°. Complementary angles are two angles that have a sum of 90°.

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3 0

2 years ago

Write an equation in standard form of the line passing through the points (12, 3) and (-3, 8).

aliya0001 [1]

Answer:

x + 3y = 21

Step-by-step explanation:

$(x_{1},y_{1})=(12,3) \\\\(x_{2},y_{2})=(-3,8)\\\\Slope= \dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\= \dfrac{8-3}{-3-12}= \dfrac{5}{-15}\\\\= \dfrac{-1}{3}$

Equation of the line: y =mx+ b

$y = \dfrac{-1}{3}x+b\\\\\\Plugin \ x = 12 \ and \ y=3 \ in \ the \ above \ equation\\\\3= \dfrac{-1}{3}*12+b\\\\3= -4+b\\\\3+4 = b\\\\b = 7\\\\\\\y= \dfrac{-1}{3}x+7\\\\$

Multiply the equation by 3

3y = -x + 21

x + 3y = 21

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2 years ago

Solve 7x − 2(x + 1) = 6x + 14. −12 12 −16 16

Vladimir79 [104]

7x-2(x+1)=6x+14
7x-2x-2=6x+14
5x-6x=14+2
-x=16
x=-16

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2 years ago

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