8. The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows:(Rainfall in mm) Mon 0.0Tue 12.2Wed 2.1Thurs 0.0Fri 20.5Sat 5.5Sunday 1.0(1) Find the range of the rainfall in the above data.) Find the mean rainfall for the week.(ii) On how many days was the rainfall less than the mean rainfall.plz answer fast and step by step

8. The rainfall (in mm) in a city on 7 days of a certain week was reco

1.	8. The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows:(Rainfall in mm) Mon 0.0Tue 12.2Wed 2.1Thurs 0.0Fri 20.5Sat 5.5Sunday 1.0(1) Find the range of the rainfall in the above data.) Find the mean rainfall for the week.(ii) On how many days was the rainfall less than the mean rainfall.plz answer fast and step by step
Answer» n:The RAINFALL (in mm) in a city on 7 days of a CERTAIN week was recorded as follows: (Rainfall in mm)MON - 0.0Tue - 12.2Wed - 2.1Thurs - 0.0Fri - 20.5Sat _ 5.5Sunday - 1.0Find the range of the rainfall in the above data.Find the mean rainfall for the week.On how many days was the rainfall less than the mean rainfall.Solution:1. Range = MAXIMUM VALUE - Minimum valueSo, the maximum value of rainfall (in mm) is 20.5 in Friday & the minimum value of rainfall (in mm) is 0.0 in Thursday.⟹ 20.5 - 0.0⟹ 20.52. Mean = ⟹ ⟹ ⟹ 5.9 Answers:Range = 20.5Mean = 5.9On 4 days the rainfall was less than mean rainfall.