Mathematics, 26.01.2021 22:50 campbellcameca

High Voltage, Inc., a light bulb manufacturer, wants to know if there's a difference in mean life span between its product and that of a competitor.
They collect paired data and calculate the difference in each pair to create
one set of numbers that represents the differences within each pair. What
notation should High Voltage use to construct its null and alternative
hypotheses?

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