CHSE Odisha Elective Statistics case studies
CHSE Odisha Elective Statistics · Put your knowledge to work in context.
The CHSE Odisha Elective Statistics examination is a written paper for +2 (higher secondary) students in Odisha who have chosen Statistics as an elective subject. It is typically taken at the end of the second year and is intended for candidates who need a solid grounding in statistical reasoning for university study in statistics, mathematics, economics, or data-oriented fields. The CHSE Odisha Elective Statistics case studies are 5 cases and about 4,613 words.
1Two Collection Centres, One Misleading 'Average' Member
A dairy cooperative at Berhampur collects milk from 60 member households through two collection centres. Centre A has 40 members whose daily supply has mean 38.2 litres and standard deviation 9.5 litres; Centre B has 20 members, three of whom are large suppliers, with mean 28.6 litres and standard deviation 12.0 litres.
846 words, about 4 min2Predicting Marks from Study Hours with a Lost Register
A coaching centre in Cuttack tracks the weekly hours of self-study (x) and the final marks out of 100 (y) of ten students who appeared for the CHSE examination. The tutor's summary sheet survives but the mark register has been lost.
971 words, about 5 min3Tablet Weight: A Significant Difference That Is Not a Defect
A pharmaceutical unit in Bhubaneswar presses 500 mg paracetamol tablets. The pharmacopoeia tolerates individual tablet weights between 475 and 525 mg.
857 words, about 4 min4A Bio-fertiliser Trial with a Pre-planned Contrast and a Tempting Outlier
A plant breeder compares four formulations of a bio-fertiliser (A, B, C, D) on paddy yield. Twenty-four plots of equal size in one field are allotted six plots each, completely at random, and the yield in kg per plot is recorded.
964 words, about 5 min5Rebasing the Price Index and Two Formulas for the Same Basket
The directorate of economics and statistics of a state publishes a monthly consumer price index and an annual index of industrial production. In 2018-19 the consumer price index was rebased from 2011-12 = 100 to 2017-18 = 100.
975 words, about 5 min