Use the frequency table to determine how many students received a score of 80 or better on an English exam.

-10 students

-6 students

-4 students

-15 students

10 students

Step-by-step explanation:

So your frequenct table shows the different class intervals, which are ranges between the data that belong to specific classes. The frequency column shows how many observations fall into each class.

The problem states that we need to find those who received a score of 80 or better. So your range would be 80 and above.

Look at the classes that are within that range. The last two classes show the following intervals:

80 - 89

90 - 100

These are the classes where your intended group lie. So in the class 80-89 there are 6 students, and 90-100 there are 4. Just add them up to see how many received a score of 80 or better.

6 + 4 = 10 students.

This is what we call the cumulative frequency. These is the cumulative number of observations up to a certain class interval or range.

well we know there are 4 clubs in 52 cards so it’s replaced so it should be 3/51

step-by-step explanation:

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