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il63 [147K]
3 years ago
15

Dr. Cwetna recorded all of the grades on a unit test on the chart below.

Mathematics
2 answers:
labwork [276]3 years ago
4 0

Answer:

1. 82.75

2.10.65

3. 93.4, 72.1

4. 104.05, 61.45

5. 114.7, 50.8

6. Yes

7.  Because of the placement of these ranges on the graph

8. 35/91 = .38 %

By taking the amount of all of the students who scored a 90 or above and dividing it by the total amount of students.

Step-by-step explanation:

PLEASE MARK ME BRANLIEST

Molodets [167]3 years ago
3 0

Answer:

I got 2 more questions can somebody answer for me plz that adds to this. In your own words, explain HOW to find the standard deviation of this data set. What does the standard deviation tell you about this data? (20 points)

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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