the following data gives mark of 50 students in an English language test:45,50,60,35,20,65,40,45,48,25,24,40,48,28,30,30,16,8,5,15,50,28,42,55,15,25,30,38,58,68,4,18,24,58,46,36,32,56,57,18,25,36,42,15,25,55,49,50,48,28.a).construct a frequency table for this data using class interval 0-9,10-19,20-29,30-39,40-49,50-59,60-69.b).calculate the mean mark.c).calculate the mean deviation.
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Answer:
the following data gives mark of 50 students in an English language test:45,50,60,35,20,65,40,45,48,25,24,40,48,28,30,30,16,8,5,15,50,28,42,55,15,25,30,38,58,68,4,18,24,58,46,36,32,56,57,18,25,36,42,15,25,55,49,50,48,28.a).construct a frequency table for this data using class interval 0-9,10-19,20-29,30-39,40-49,50-59,60-69.b).calculate the mean mark.c).calculate the mean deviation.
Two poles 18m and 13m high stand upright in a playground. If their feet are 12m apart find the distance between their topsHere, condition is a boolean expression. It returns either true or false.
if condition evaluates to true, statements inside the body of if are executed
if condition evaluates to false, statements inside the body of if are skipped
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