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Competitive Stats
Q103Section C (Part C)103 of 120

Descriptive statistics — symmetrising a dataset

Consider a dataset of nn observations given by A={x1,x2,…,xn}A=\{x_1,x_2,…,x_n\}. Create a new dataset, given by B={x1,x2,…,xn,−x1,−x2,…,−xn}B=\{x_1,x_2,…,x_n,-x_1,-x_2,…,-x_n\}. Which of the following statements are always true?

Multiple select: one or more options are correct. Select all of them, then submit — marks need the exact set.

Options

Select every correct option, then submit.