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3 years ago

Which value of r indicates a stronger correlation: r equals=0.828 or r equals= −0.879? explain your reasoning?

1 answer:

vladimir1956 [14]3 years ago

3 0

When comparing correlation, focus on the MAGNITUDE of r:

Compare |0.828| with |-0.879|. Which magnitue is greater? The r value with greater magnitude represents the stronger correlation.

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3 years ago

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Write the slope-intercept form of the equation of the line through the given point with the given slope.

Marta_Voda [28]

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Answer: $\textsf{y = x + 2}$

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Given: $\textsf{Slope = 1, Goes through (-1, 1)}$

Find: $\textsf{Determine the slope-intercept form of the equation}$

Solution: In order to determine the equation we need to first use the point-slope form which uses a slope and a point which can then be simplified and solve for y to get the slope-intercept form.

<u>Plug in the values</u>

$\textsf{y - y}_2\textsf{ = m(x - x}_1\textsf{)}$

$\textsf{y - 1 = 1(x - (-1))}$

<u>Simplify and solve for y</u>

$\textsf{y - 1 = 1(x + 1)}$

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$\textsf{y = x + 2}$

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2 years ago

Rickey has been commissioned to paint a mutual that is allowed to have an area 60 square meters to make the rectangulr shape of

Svet_ta [14]

Answer:

Length of the mural should be 20.78 m

Step-by-step explanation:

Let the length of the mural be L and the width W

Area = L × W = 60 m²

Ticket wants the L = 15 + 2W

Substitute for L in the Area eqn

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15W + 2W² = 60

2W² + 15W - 60 = 0

Solving the quadratic equation

W = 2.89 m or - 10.39 m

Obviously, the width cannot be negative,

So, W = 2.89 m

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Check - L × W = 20.78 × 2.89 = 60 m²

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3 years ago

Mr. Jones bought a block of fudge that weighed 1/4 of a pound. He divided the fudge into 2 equal pieces. What was the weight of

Korolek [52]

You would do 1/4 x 1/2 to get 1/8 of a pound.

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3 years ago

Which value of r indicates a stronger​ correlation: r equals=0.828 or r equals= −0.879​? explain your reasoning?

Which value of r indicates a stronger correlation: r equals=0.828 or r equals= −0.879? explain your reasoning?