Using interquartile range, the hours per week spent by male is greater than female.
The interquartile range shows "the range in values of the central 50% of the data".
Quartile divides "the data values into 4 parts, first part 25%, second part is 50%, third part is 75% and the fourth part is 100%".
According to the question,
An equal number of men and women were randomly selected.
Formula for interquartile range = value of lower quartile - value of upper quartile.
Interquartile range for male is greater than the interquartile range for females. The first quartile range for males is less than the first quartile range for females.
Hence, the hours per week spent by male is greater than female.
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