The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows: (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 rainfal

The rainfall and the output of wheat per acre for a firm are as follows: Find the correlation coefficient between rainfall and wheat production.

The rainfall on a certain day was 6cm. How many litres of water fell on 3 hectares of field on that day?

A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent.

If the rainfall on a certain day was 5cm, how many litres of water fell on 1 hectare field on that day?

If it has rained 276 mm in the last 3 days, how many cm of rain will fall in one full week (7 days)? Assume that the rain continues to fall at the same rate.

A TV reporter was given a task to prepare a report on the rainfall of the city Dispur of India in a particular year. After collecting the data, he analyzed the data and prepared a report on the rainfall of the city. Using this report, he drew the following graph for a particular time period of 66 days ltimg src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/MATH_041_X_SQP_E03_011_Q01.png" width="80%"gt Based on the above graph, answer the following questions (i) Identify less than type ogive and more than type ogive from the given graph. (ii) Find the median rainfall of Dispur (iii) Obtain the Mode of the data if mean rainfall is 23.4cm

A study was conducted to find out the concentration of sulphur dioxide in the air in parts per million (ppm) of a certain city. The data obtained for 30 days is a follows : (i) Make a grouped frequency distribution table for this data with class-intervals as 0.00-0.04, 0.04-0.08 and so on. (ii) For how many day's was the concentration of sulphar dioxide more than 0.11 parts per million (ppm)?

The heights of 10 girls were measured in cm and the results are as follows:135, 150, 139, 128, 151, 132, 146, 149, 143, 141.(i) What is the height of the tallest girl? (ii) What is the height of the shortest girl?(iii) What is the range of the data? (iv) What is the mean height of the girls?(v) How many girls have heights more than the mean height