An experiment to study the lifetime (in hours) for a certain brand of light bulb involved putting 10 light bulbs into operation and observing them for 1000 hours. Eight of the light bulbs failed during that period, and those lifetimes were recorded. The lifetimes of the two light bulbs still functioning after 1000 hours are recorded as 10001. The resulting sample observations were

Which of the measures of center discussed in this section can be calculated, and what are the values of those measures?

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480 790 1000 350 920 860 570 1000+ 170 290