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chubhunter [2.5K]
2 years ago
15

Question 18 (5 points)

Mathematics
1 answer:
Bas_tet [7]2 years ago
6 0

Answer: A growing division of labor between employees with different skills

Step-by-step explanation:

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weeeeeb [17]

Answer:

a. correlation

b. inverse linear correlation exists If the higher the population of students lead to a decrease in test score,

c. yes

Step-by-step explanation:

a. Correlation is a measure of the amount of association existing between two variables.

b. For linear correlation, if points are plotted on a graph and all the points lie on a straight line, then perfect linear correlation is said to exist. When a straight line having a positive gradient can reasonably be drawn through points on a graph positive or direct linear correlation exists,

Similarly,when a straight line having a negative gradient can reasonably be drawn through points on a graph, negative or inverse linear correlation exists,

The results of this determination give values of r lying between +1 and −1, where +1 indicates perfect direct  Positive linear correlation and −1 indicates perfect inverse correlation or Negative linear correlation and 0 indicates that no correlation exists.

If the higher the population of students lead to a decrease in test score, there will definitely be a negative correlation between class size and test score. i.e low class size result in high test score which consequently lead to high performance.

c. YES

A negative correlation means low class size result in high test score which consequently lead to better performance.

8 0
3 years ago
PLEASE HELP I NEED THE ANSWER<br><br> -4<br> -5<br> -2<br> 4
xxTIMURxx [149]

Answer:

-4 ..... 1.5

-5......0

-2......2.5

4.......8

7 0
2 years ago
Question 1 of 10
sergey [27]

Answer:

The answer is 120, 80, 100, 180, 40, 0, 240

Step-by-step explanation:

In this situation, quadrupling means to times everything (everything which is 30, 20, 25, 45, 10, 0, 60) by 4, which will give you 120, 80 ,100 ,180, 40, 0, 240

3 0
3 years ago
The standard form of the equation of a parabola is y = 7x2 + 14x + 4. What is the vertex form of the equation?
Drupady [299]
The vertex of <span>y = 7x2 + 14x + 4</span> is at (-1,-3) (see attachment)

6 0
3 years ago
There are 10 marbles in a paper bag, 6 of which are red. The rest are blue. You play a game with your friend. If you draw a red
maria [59]
No, because you have 1 more marble than her. While you have 6 marbles in the bag, she has 4; there’s a 3/5 chance that you’ll win, and a 2/5 chance that she’ll win.
7 0
3 years ago
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