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Feliz [49]
3 years ago
13

A college professor reports that students who finish exams early tend to get better grades than students who hold on to exams un

til the last possible moment. The correlation between exam score and amount of time spent on the exam is an example of a ____.​
Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
7 0

Answer:

The correlation between exam score and amount of time spent on the exam is an example of a <u>negative correlation</u>.​

Step-by-step explanation:

Consider the provided statement.

College professor reports that students who finish exams early tend to get better grades than students who hold on to exams until the last possible moment.

That means the student who finish the exam early will get the highest marks. One who finish after the first student will get second highest mark and the one who finish in the end will get the least marks.

Now consider time as first variable and marks as second variable.

That means as the first variable increase the second variable decreases.

According to the definition of Negative correlation: It is a relationship between two variables in which one variable increases as the other decreases, and vice versa.

Hence, the correct answer is negative correlation.

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Answer:

36

Explanation:

Multiples of 4 are:

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Multiples of 18 are:

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The least common multiple of 4 and 18 is 36.

4 0
1 year ago
Five less than twice the value of a number is equal to three times the quantity of
Elden [556K]

Answer:

a) x = 34

b) yes, it checks out

Step-by-step explanation:

2x - 5 = 3(4 + 1/2x)

multiply both sides by 2 to eliminate fraction

2[2x - 5 = 3(4 + 1/2x)] = 4x - 10 = 24 + 3x

x - 10 = 24

x = 34

<u>check</u>

2(34) - 5 = 3(4 + 34/2)

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63 = 3(21)

63 = 63

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