If the sum of square of 10 terms is 38500 varience is 825 then coe of stamdard deviation is

Find the given elements if matrix d:

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)