PROVIDE TYPED WRITING SO THAT I CAN UNDERSTAND BETTER.

Kindly reply with correct answers and step by step working.mention clearly about the formula and conversion.do not skip steps.

Q3

MEASURE OF POSITIONS

1. Calculate Quartile-3, Deciles-7, Percentiles-20 from the following grouped data Class | Frequency 2 - 4 3 4 - 6 4 6 - 8 2 8 - 10a4 : Calculate first , second and third quartile based on the grouped data below. X Frequency 0 1 1 5 2 10 3 6 4 3