Question: There are 260 students taking part in a talent competition. The scores range from 1 to 5 as tabulated in Table 1. Score 1 2

There are 260 students taking part in a talent competition. The scores range from 1 to 5 as tabulated in Table 1.


Score

1

2

3

4

5

Frequency

34


16

51

79

 

 

  • Given that the mode score is 2, what is the value of ?
                                                                                                                                      
  • Compute the value of median. 
  • Compute the skewness and state the type of distribution given that the standard deviation is 1.4818.
  • (Presuming that another FOUR (4) students are joining this competition and one of them are scoring 5 while the rest are scoring 3. Compute the value of mean.                                                                                                                       

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