3 of 3
The table shows some information about the lifetimes, t, in hours, of some lightbulbs.
...
Mathematics, 26.01.2021 15:50 kitt90335
3 of 3
The table shows some information about the lifetimes, t, in hours, of some lightbulbs.
Lifetime
Frequency
25
50
82
100
10
27
150
200
12
250
31
300 ct s 350
Estimate the mean lifetime of a bulb.
Give your answer rounded to 2 DP.
hours
Answers: 2
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