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frequency distribution question QUESTION 2 A group of 25 teenagers played a video game. The table below shows the frequency distribution of their scores. Score

frequency distribution question

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QUESTION 2 A group of 25 teenagers played a video game. The table below shows the frequency distribution of their scores. Score 2 4 X Number of people 2 5 7 5 6 Given that the mean of score is 5, find The value of x (4 marks) ii) Find the first quartile and standard deviation of the scores. (5 marks) iii) Calculate the Pearson's coefficient of skewness and explain the meaning of the value obtained. (2 marks)

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