Assam Higher Secondary Statistics case studies
Assam Higher Secondary Statistics · Put your knowledge to work in context.
The Higher Secondary (HS) Final Examination in Statistics is the Class XII public examination for the Statistics paper under the Assam state school board system. Following the Assam State School Education Board Act, 2024 - assented to on 14 March 2024 - the erstwhile Assam Higher Secondary Education Council (AHSEC) now functions as ASSEB Division-II, the higher secondary wing of the Assam State School Education Board, while SEBA functions as ASSEB Division-I for secondary education. The Assam Higher Secondary Statistics case studies are 5 cases and about 2,472 words.
1Two Sections, One Average: Choosing the Right Summary
At a higher secondary school in Nagaon, the statistics teacher compares two Class XI sections. Section A has 40 students with mean marks 62, standard deviation 8 and median 60 in the half-yearly test.
482 words, about 2 min2Footfall and Sales: Correlation, Regression and Extrapolation
A grocery owner in Guwahati records monthly footfall (x, in hundreds) and sales (y, in ₹ thousand) for 12 months. The summary values are: mean x = 420, mean y = 38.5, Σ(x−x̄)(y−ȳ) = 9,240, Σ(x−x̄)^2 = 16,800, and Σ(y−ȳ)^2 = 8,400.
466 words, about 2 min3Defective Bulbs and the Warranty Rule
A bulb manufacturer in Assam claims that 5% of bulbs in a large consignment are defective. A retailer receives a consignment and checks 20 bulbs selected at random.
487 words, about 2 min4Waiting Times, Sample Size and Statistical Significance
A public sector bank in Dispur advertises that the average waiting time at its main branch is 8 minutes. A consumer group records waiting times for 36 randomly selected customers and obtains a mean of 9.2 minutes with a standard deviation of 3.0 minutes.
545 words, about 3 min5Choosing a Cost-of-Living Index for a Wage Dispute
A labour office in Dibrugarh studies the cost of living for a typical family using two commodities, rice and mustard oil. In the base year 2020, rice costs ₹20/kg with quantity 10 kg, and oil costs ₹50/litre with quantity 10 litres.
492 words, about 2 min