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how many students have a grade lower than 80?​

Sagot :

Answer:

14

Step-by-step explanation:

Question:

1. How many students have a grade of lower than 80%

Answer:

We select the boundary 79.5 because it is lower than 80. Based on

the Ogive, the 79.5 has a plot of 14, thus there are 14 students with

grades lower than 80. We cannot select 84.5 because it is more than 80.

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