1.What does this symbol mean ∑?

A. summation

B. mean

C. range

D. mode

2) In a grouped data, what do you call the class that contains the (/2)ℎ score?

A. mode class

B. range class

C. mean class

D. median class

3) What do you call the class which contains the highest frequency?

A. mean class

B. median class

C. modal class

D. range class

4) What do you call the number of times a score occurs ?

A. median

B. frequency

C. range

D. sum


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