Understanding Data

Select the suitable statistical technique to be applied (Mean/Median/Mode/Range/Standard Deviation) for the following problems:

A school having 500 students wants to identify beneficiaries of the merit-cum means scholarship, achieving more than 75% for two consecutive years and having family income less than 5 lakh per annum. Briefly describe data processing steps to be taken by the to beneficial prepare the list of school.

A bank 'xyz' wants to know about its popularity among the residents of a city 'ABC' on the basis of number of bank accounts each family has and the average monthly account balance of each person. Briefly describe the steps to be taken for collecting data and what results can be checked through processing of the collected data.

Identify type of data being collected/generated in the following scenarios:

Consider the temperature (in Celsius) of 7 days of a week as 34, 34, 27, 28, 27, 34, 34. Identify the appropriate statistical technique to be used to calculate the following:

A school teacher wants to analyse results. Identify the appropriate statistical technique to be used along with its justification for the following cases:

Suppose annual day of your school is to be celebrated. The school has decided to felicitate those parents of the students studying in classes XI and XII, who are the alumni of the same school. In this context, answer the following questions:

Differentiate between structured and unstructured data giving one example. The principal of a school wants to do following analysis on the basis of food items procured and sold in the canteen: Create an appropriate dataset for these items (fruit juice, biscuits, samosa) by listing their purchase price and sale price. Apply basic statistical techniques to make the comparisons.