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AnnyKZ [126]
3 years ago
15

The grades in a university are calculated as follows: 30% from class assignments, 35% from the final exam, and 35% from the fiel

d project. If Jay scores 75 out of 100 in class assignments, 65 out of 100 in the final exam, and 72 out of 100 in the field project, what is his average score?
Mathematics
2 answers:
scoray [572]3 years ago
6 0
I plugged this into a calculator and got: 70.45% or approximately 70.5%
andriy [413]3 years ago
6 0

Answer:

Jay's average score is 70.5

Step-by-step explanation:

The grades in a university are calculated as follows: 30% from class assignments, 35% from the final exam, and 35% from the field project.

Jay scores 75 out of 100 in class assignments, this means the average will be = 0.30\times75=22.5

Jay scores 65 out of 100 in the final exam, average is = 0.35\times65=22.75

Jay scores 72 out of 100 in the field project, average is = 0.35\times72=25.2

Total average = 22.5+22.75+25.2=70.45 ≈ 70.5

Therefore, Jay's average score is 70.5.

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The percentage of data that is roughly greater than 66, as displayed in the box plot, is 100%.

<h3>How to Determine a Percentage of a Data Represented in a Box Plot?</h3>

In a box plot, we have the following displayed five-number summary which tells what percentage of the data distribution for each part of the data distribution:

Upper quartile (Q3): This is the value at where the box in the box plot ends at the edge of the box. From this point to the left, all data values that fall within the bracket make up 75% of the data.

Lower quartile (Q3): This is the value at where the box in the box plot starts at the edge of the box. From this point to the left, all data values that fall within the bracket make up 25% of the data.

Median: this is the middle value at the point where the line divides the box and data below this point make up 50% of the data.

The other five-number summary are the maximum and the minimum values that are represented by the whiskers.

On the box plot given, 66 is at the extreme whisker at the left. This means that the percentage of data that is roughly greater than 66 is 100%.

Learn more about the box plot on:

brainly.com/question/14277132

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Step-by-step explanation:

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Please find the attached file for a better understanding of the explanation given here.

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