the mean of sequencly arranged 11 observation is 50. the mean of first 6 observation is 49 and the mean of last 6 observations is 52. then, the sixth observation is.....
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Mean = Sum of all observations/Total no of
observations
50. = Sum of all observations / 11
Sum of all observations = 50×11
=550
Mean = Sum of all observations/Total no of
observations
49 = Sum of all observations/6
Sum of all observations = 49×6
= 294
Mean = Sum of all observations/Total no of
observations
observations
50. = Sum of all observations / 11
Sum of all observations = 50×11
=550
Mean = Sum of all observations/Total no of
observations
49 = Sum of all observations/6
Sum of all observations = 49×6
= 294
Mean = Sum of all observations/Total no of
observations
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