Question 5 The following table gives the life times of neon lamps:
Length (in hours) Number of lamps
300 − 400 14
400 − 500 56
500 − 600 60
600 − 700 86
700 − 800 74
800 − 900 62
900 − 1000 48
(i) Represent the given information with the help of a histogram.
(ii) How many lamps have a lifetime of more than 700 hours?
Class 9 - Math - Statistics Page 259"
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Answered by
118
Hello freind
I) By taking lifetime (in hours of neon lamp) on x axis and the no. of lamp in y axis
ii) the sum of neon lamps having their lifetime I.e. 700 ( 74 +62+48=184)
I) By taking lifetime (in hours of neon lamp) on x axis and the no. of lamp in y axis
ii) the sum of neon lamps having their lifetime I.e. 700 ( 74 +62+48=184)
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kaushik12:
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Answered by
71
Hi friend...
1=)The histogram of the given frequency distribution.
2)Number of lamps having life more than 700 hrs .
=74+62+48
=184
184 is an answer...
Hope it will helpful.....
1=)The histogram of the given frequency distribution.
2)Number of lamps having life more than 700 hrs .
=74+62+48
=184
184 is an answer...
Hope it will helpful.....
Attachments:
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