1.

The marks of 20 student in a test whereas follow 5 6 8 9 10 11 11 12 13 13 14 14 15 15 15 16 16 18 19 20 find mean median and mode​

Answer»

Answer:

MEAN = 13 , MEDIAN = 13 & 14 , MODE = 15

Step-by-step explanation:

Mean = sum of all observation/ total no. of observation =260 /20 =13

Mean = sum of all observation/ total no. of observation =260 /20 =13Median =

Mean = sum of all observation/ total no. of observation =260 /20 =13Median = arrange the data in ascending order

Mean = sum of all observation/ total no. of observation =260 /20 =13Median = arrange the data in ascending order then the middle number from left to right

Mean = sum of all observation/ total no. of observation =260 /20 =13Median = arrange the data in ascending order then the middle number from left to right USE the formula {n+1}/2

Mean = sum of all observation/ total no. of observation =260 /20 =13Median = arrange the data in ascending order then the middle number from left to right use the formula {n+1}/2 the answer is 13 and 14. mode = the value that appears most in the observation = 15


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