The table below gives the frequency distribution of the marks obtained by some students in a scholarship examination. Scores (x) 15 25 35 45 55 65 75 Freq (...

Question 1 Report

The table below gives the frequency distribution of the marks obtained by some students in a scholarship examination.

Scores (x) 15 25 35 45 55 65 75
Freq (f) 1 4 12 24 18 8 3

(a) Calculate, correct to 3 significant figures, the mean mark.

(b) Find the : (i) mode ; (ii) range of the distribution.

 

 

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