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(Solved): 1. In A Class Of 20 Students, 13 Students Are Exactly 5 Feet 6 Inches Tall, Whereas The Rest Of The ...

1. In a class of 20 students, 13 students are exactly 5 feet 6 inches tall, whereas the rest of the class is over 5 feet 6 inches. Andrew, who is 5 feet 10 inches tall, joins the class.
Which of the following statements is true about the mean? Explain as well.
i Mean height of the class increases ii. Mean height of the class stays the same iii. Mean height of the class goes down iv. Cannot tell

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