### Find the mean and sd of height

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1. Given the following results of the height and weight of 1000 students.

The mean height is 170 cm, the mean weight is 75 kg. the standard deviation of the height and weight are 6 cm and 6 kg respectively r = 0.6. amit weighs 50 kg, sumeet is 1.5 m tall. Estimate the height of Amit from his weight and the weight of sumeet from his height

2. In a large number of group of children 55% are under 60 cm height nd 40% are between 60 and 65 cm. Assuming a normal distribution, find the mean and SD of height Need these 2 answers

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