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KIM [24]
3 years ago
13

which of the following graphs shows a negative linear relationship with a correlation coefficient, r, close to -0.5.

Mathematics
1 answer:
Harrizon [31]3 years ago
3 0

Answer:

In the graph attached there is a sample generated with a correlation coefficient r=-0.5.

Step-by-step explanation:

A value of r that is -0.5 shows that there is a certain correlation and that this correlation is negative.

As there are no examples in this question, I searched for a generator of random samples with a user-input correlation coefficient between the two variables.

In the graph attached there is a sample generated with a correlation coefficient r=-0.5.

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antiseptic1488 [7]
Slope is negative for each...Remember Y-int and rise/run for slope.
Y=mx+b 

Y= -2/3X - 2

Y= -5/2x + 2 
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4 years ago
How many 3-coin combinations exist if we can choose from
Alex787 [66]

There are four numbers of 3-coin combinations if we can choose from nickels, dimes, quarters, and half-dollars.

<h3>How to solve probability combinations?</h3>

The coins to select from are nickels, dimes, quarters, and half-dollars;

Thus;

Coins (n) = 4

The number of coin to select is:

Coin (r) = 3

The coin combination is then calculated using:

Combination = ⁴C₃

Apply the combination formula, we have;

Combination = 4

Thus, there are four number 3-coin combinations if we can choose from nickels, dimes, quarters, and half-dollars.

Read more about combinations at; brainly.com/question/4658834

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3 0
2 years ago
The driving distance between Denver
jonny [76]

Answer:

17

Step-by-step explanation:

divide 1020 by 60

1020 ÷ 60 = 17

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7 0
3 years ago
Read 2 more answers
A circular track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour. What is Elena's speed? Incl
svp [43]

Answer:

  5 mph

Step-by-step explanation:

The relation between speed, distance, and time is ...

  speed = distance/time

Filling in the given values, we find the speed to be ...

  speed = (1/4 mi)/(1/20 h) = (1/4)(20/1) mi/h = 5 mi/h

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The cost of the sheets is less for the second example, the second example is the better deal.

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So, cost of one sheet =  $12.

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In the first example, Six sheets costs $81, while in the second example six sheets cost $72.

Since the cost is less for the second example. So, the second example is the better deal.

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