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37 What is the interval?
b. 5
c. 6
d.7
38. What is N?
c. 30
b. 20
a 10
d.40
39. What is Ex?
a.305
b.310
c.315
d.3320
30. What is the mean?
a.10
c.10.16
d.10.17
b. 10.1


Sagot :

Answer:

37. D

38. C

39. B

30. A

Step-by-step explanation:

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