A population consists of the number of defective mobiles in various shipments coming to India. The number of defectives is 2 in the first shipment, 4 in the second, 6 in the third, and 8 in the fourth. What will be the mean and standard deviation of this population ?
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A population consists of the number of defective mobiles in various shipments coming to India. The number of defectives is 2 in the first shipment, 4 in the second, 6 in the third, and 8 in the fourth. What will be the mean and standard deviation of this population? (A) 5, √5 (B) 5, √15 (C) 3, √3 (D) 6, √6
Descriptive statistics and dispersion has come up 117 times in 6 exams since 2004.
This question is on Measures of dispersion, part of Descriptive statistics and dispersion in Statistics.
How spread out data are: range, variance, standard deviation and relative measures.
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Question from the JNU SIS 2020 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.