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The marks scored by 20 students in a Sci...

The marks scored by 20 students in a Science test (30 marks) are given below :
8, 7, 12, 17, 20, 11, 16, 21, 28, 25, 27, 18, 20, 19, 7, 29, 16, 15, 20, 27.
Using the data answer the following questions :
How many students scored more than 20 marks?

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The marks scored by 20 students in a Science test (30 marks) are given below : 8, 7, 12, 17, 20, 11, 16, 21, 28, 25, 27, 18, 20, 19, 7, 29, 16, 15, 20, 27. Using the data answer the following questions : How many students scored 20 marks?

The marks scored by 20 students in a Science test (30 marks) are given below : 8, 7, 12, 17, 20, 11, 16, 21, 28, 25, 27, 18, 20, 19, 7, 29, 16, 15, 20, 27. Using the data answer the following questions : How many students scored the lowest marks?

The marks scored by 20 students in a Science test (30 marks) are given below : 8, 7, 12, 17, 20, 11, 16, 21, 28, 25, 27, 18, 20, 19, 7, 29, 16, 15, 20, 27. Using the data answer the following questions : What is the frequency of score 27?

Observe the given table and answer the following questions: How many students obtained marks more than 20?

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Observe the given table and answer the following questions: How many students obtained marks less than 30?

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