A cell phone company collected data if texting speed in words per minute according to time in minutes. explain why a scatter plot is used to represent the data, including the purpose of scatter plots

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Answer 1
Answer:

Answer:

Scatter plots resembles line graphs in that they are plotted on the x and y axis. The are used because they show how much one variable is affected by another.

Scatter diagrams are important since in statistics they can show the extent of correlation, if any, between the values of observed quantities or a behavior.


Answer 2
Answer:

Answer:

A scatter plot is defined as a diagram which uses Cartesian coordinates to display values about two variables, one indepedent, the other one dependent.

This diagrams are used in statistics to display information about surveys to a certain sample in a population. The purpose of a scatter plot is to shows if the variables are related, that is, if they have any type of linear correlation between them. If they have linear correlation, then the data is represented by a line.

Now, in this case, the independent variable is time in minutes and the dependent variable is texting. Basically, with this data, the company will be able to stablish the relation between words written in a certain time, that is, the speed of texting actually.

With a scatter plot, they would find the relation that forms the speed of texting. It could be "the more time, more text is written", or "the less time, more text is written".

If we need to establish a possible relation, the most logical would be "the more time, more word are texted".


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Write words to match the expression 3 + (4x12)

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Answer:

The sum of three and the product of four and twelve.

Step-by-step explanation:

In the expression we have sum, product and parenthesis. We can write it as:

The sum of three and the product of four and twelve.

Suppose Adam bought a crate of soft drinks cans which had 4 rows and 12 columns. His master gave him 3 more cans. How many  cans does Adam have now?

You solve it:

3+(4*12)

Solve the bracket first.

3+(48)

3+48 =  51 cans....

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Answer:

4

Step-by-step explanation:

An elephant can run one over four of a mile in 36 seconds. At this rate, which expression can be used to determine how fast an elephant runs in miles per hour?

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Answer:

The expression

Step-by-step explanation:

If rolling a number cube, identify the following events as disjointed or overlapping.Event A: rolling a prime number
Event B: rolling a number larger than 4

Overlapping events ?
or
disjointed events ?

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Answer:

Overlapping events

Step-by-step explanation:

Note that in the question, it specifically specifies that there is only a number cube (or 1 number cube). Note that the two events asked for us to solve is does not conflict at all.

Event A is asking for the probability of you rolling a prime number (1 , 3 , 5), while Event B is asking for the probability of you rolling a number larger than 4 (5 , 6). These two can occur at the same time, and both events can be confirmed by rolling the number 5.

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Answer:

overlapping events

Step-by-step explanation:

Event A: Rolling a prime

The following are the prime numbers from 1 to 6 (inclusive):

2,3,5

Event B: Rolling a number larger than 4

The following are larger than 4 from 1 to 6 (inclusive):

5,6

Do you see any overlap?

The overlap is 5.

These are overlapping events.

Dylan opened a credit card account with $575.00 of available credit. Now that he has made some purchases, Dylan's account only has $322.00 of available credit. What is the percentage decrease of the amount of available credit in Dylan's account?

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Answer:

Around 43-44% is left.

Step-by-step explanation:

43% of 575.00 is 252 which is 575 - 322.

Let me know if there are problems or if i'm wrong.

Plz help me out with this question. Thank You

Answers

It would make it feel warm because you are rubbing to rough surfaces together which will create heat due to the blocks attracting heat. For example, when you rub wood together it can cause a fire.