Use a cumulative frequency graph to estimate the median and interquartile range of the following data: Cost (£) 10≤c<11 Frequency 8 11≤c<12 12 12

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A: Standard Error of a sample proportion is given by:

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A: The degrees of freedom for population A is n-1 = 10-1 =9.

Q: b) Find an integer x such that 37x = 1 (mod 101).

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A: Solution: Let the number of seats in each row = x so, number of rows = x-7 Total seats = 144

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Q: Find a basis for the subspace W p(x) E P2 p(5) = -p(-5)} of P2. A basis for W is { x2 -Ex: 1 , x

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A: We have given 4 figures out which we have to tell that which figure is most skewed and explain why?