( in mm)
i) Find the range of the rainfall in the above data.
The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows:
DayMonTueWedThursFri Sat SunRainfall0.012.22.10.020.55.51.0(in mm)
(i) Find the range of the rainfall in the above data.
(ii) Find the mean rainfall for the week.
(iii) On how many days was the rainfall less than the mean rainfall? [4 MARKS]
The following table shows the daily production of T. V. sets in an industry for 7 days of a week:
DaysMondayTuesdayWednesdayThursdayFridaySaturdaySundayNumber of TV sets300400150250100350200
Represent the above information by a pictograph.