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Paladinen [302]
3 years ago
10

find the distance between each pair of points. if necessary, round to the nearest tenth. a(0,3), b(0,12)

Mathematics
1 answer:
statuscvo [17]3 years ago
7 0
The distance between a & b is 3
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Step-by-step explanation:

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From the given Venn diagram,

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Find the Mean Absolute Deviation.<br> 12<br> 5<br> 7<br> 8<br> 15<br> 15<br> 2<br> 8
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In how many ways can 12 one-dollar coins be shared between Josh, Frank, and Suzy if each of them receives at least 3 coins?
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Suppose John is a high school statistics teacher who believes that scoring higher on homework assignments leads to higher test s
EleoNora [17]

Answer:

A. R2 = 0.6724, meaning 67.24% of the total variation in test scores can be explained by the least‑squares regression line.

Step-by-step explanation:

John is predicting test scores of students on the basis of their home work averages and he get the following regression equation

y=0.2 x +82.

Here, dependent variable y is the test scores and independent variable x is home averages because test scores are predicted on the basis of home work averages.

The coefficient of determination R² indicates the explained variability of dependent variable due to its linear relationship with independent variable.

We are given that correlation coefficient r= 0.82.

coefficient of determination R²=0.82²=0.6724 or 67.24%.

Thus, we can say that 67.24% of total variability in test scores is explained by its linear relationship with homework averages.

Also, we can say that, R2 = 0.6724, meaning 67.24% of the total variation in test scores can be explained by the least‑squares regression line.

3 0
3 years ago
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