18,20,16,20,16,17,17,17,18,16,19,20 find the modes

The modes are 16, 17 and 20.

This is because they appear most often in the set of numbers. They each appear 3 times.

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• Mode is the observation that occurs most number of times.

therefore in this set of ungrouped data;

16 occurs 3 times

17 occurs 3 times

18 occurs 2 times

19 occurs 1 times

20 occurs 3 times

therefore mode here are 16,17 and 20

the correct answer is semicircle

step-by-step explanation:

the answer is semicircle because the shorter arc joining two points on the circumference of a circle is known as the minor arc, the larger arc is called the major arc, and a semicircle is a half circle, formed by cutting a whole circle along a diameter line.

hope i .