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Question 5 (5 marks) The followings are the ages of 6 persons. 50 55 56 59 62 70 a)Find the mean and standard deviation of

Question 5 (5 marks)

The followings are the ages of 6 persons.

50 55 56 59 62 70

a)Find the mean and standard deviation of the ages.

b)Find the median and interquartile range of the ages by hand.

c)Suppose 50 is mistakenly replaced by 5 and repeat a) and b).

d)State the effect of this typo in the mean, median, standard deviation and interquartile range.

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