19. Using an appropriate method, find the mean of the following frequency
distribution:
class interval :-
84-90
90-96
96-102
102-108
108-114
114-120
Frequency:-
8
10
16
23
12
Which method did you use, and why?
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distribution:
class interval :-
84-90
90-96
96-102
102-108
108-114
114-120
Frequency:-
8
10
16
23
12
Which method did you use, and why?
Don't SpAm ❌❌❌❌❌❌❌❌
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Answer:
Sum of all frequencies / total number of frequencies
= 8 + 10 + 16 +23 + 12 / 5
= 69 / 5
= 13.8 answer
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