IE students in University X taking Physical Ergonomics class were tasked to accomplish their Anthropometry Laboratory Exercise. They were able to get the heights of 1000 students with a mean of 174.5 cm. and standard deviation of 6.9 cm. Determine how many of the sample means fall below 172.0 cm considering that out of 200 random sample of students 25 were drawn from the population. 01

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.