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LekaFEV [45]
4 years ago
10

In analyzing statistical data, which do you think is more likely: a correlation coefficient of 0.9 or a correlation coefficient

of 1.0? Explain.
Mathematics
2 answers:
kherson [118]4 years ago
7 0
A correlation coefficient of 0.9 is more likely. A correlation coefficient of 1.0 denotes that the probability of an event happening is certain (i.e. 100% likely to occur). When analysing statistical data, it is unlikely that you will come across events with absolute certain probabilities. For example, meteorologists can predict the weather to an extent where they are confident that the prediction will be correct, but they cannot be certain as the weather can be unpredictable at any time.
-Dominant- [34]4 years ago
3 0

Answer:

A correlation coefficient of 0.9 is more likely

Step-by-step explanation:

Remember that the correlation coefficient is a statistical measure that show you the strength of the relationship between two variables.

The range of this value must be between -1.0 and 1.0.

A correlation of -1.0 shows a perfect negative correlation, while a correlation of 1.0 shows a perfect positive correlation. A correlation of 0.0 shows no relationship between the two variables.

As a correlation coefficient equal to 1.0 indicates that there is a perfect relationship between the variables, for a statistical analysis it is more likely to find values ​​less than 1.0 (between 0 and 1.0).

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50 people purchase item 5(the item 5 cost $18.94) seven of these customers use a coupon for 15% off. how much money do you make
andrezito [222]

Answer:

$927.113

Step-by-step explanation:

50-7=43

43×18.94=814.42

100-15=85

100%=18.94

what about 85%

85×18.94=1609.9÷100=16.099

16.099×7=112.693

814.42+112.693= 927.113

5 0
3 years ago
The value of a particular antique is estimated to be £122000.
swat32
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3 years ago
The line plot shows the distances some students jumped during a Field Day competition.
trapecia [35]
To answer this question here is what you would do. I can't give you the exact answer because there is not a line plot attached.

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This is your answer when you write these 2 pieces of information in fraction form.
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3 years ago
For the following exercises, evaluate the function f at the values f(−2), f(−1), f(0), f(1), and f(2)
MatroZZZ [7]

Answer:

See below.  <u><em>I assume that (x) = 8x2 - 7x + 3 is really (x) = 8x^2 - 7x + 3</em></u>

Step-by-step explanation:

Substitute the value of x given in f(x) into the equation f(x) = 8x^2 - 7x + 3

For example, f(0) would be f(0) = 8(0)^2 - 7(0) + 3.  f(0) = 3

f(-2) would be f(-2) = 8(-2)^2 - 7(-2) + 3.  

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                                = 32 + 17        therefore      f(-2) = 49

<u>x</u> <u>f(x)</u>

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2 years ago
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4 years ago
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