The table shows some information about the lifetimes, t, in
hours, of some lightbulbs.
Lifeti...
Mathematics, 30.12.2020 17:50 vieraml58
The table shows some information about the lifetimes, t, in
hours, of some lightbulbs.
Lifetime
Frequency
25
51
50
47
100
34
150
47
200
0
250
50
300
43
Estimate the mean lifetime of a bulb.
Give your answer rounded to 2 DP.
PLZZ HELP !
Answers: 1
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