The block bootstrap for time series consists in randomly resampling blocks of consecutive values of the given data and aligning these blocks into a bootstrap sample. Here we suggest improving the ...

A unique long-term study, in which biological samples were collected from the same population of blue tits over a 30-year period, shows that rising spring temperatures have doubled the incidence of ...

The nuts and bolts of our public opinion surveys. A summary of ABC News' polling standards and survey methodology follows. ABC News maintains standards for disclosure, validity, reliability and ...

CBSE 10th Sample Papers 2025-26: The Central Board of Secondary Education (CBSE) has released the CBSE Class 10 Sample Papers 2025-26 for all subjects to help students prepare effectively for the CBSE ...

CBSE Class 10 Maths Sample Paper 2025-26: The Central Board of Secondary Education (CBSE) has released the Class 10 Mathematics (Standard) Sample Question Paper 2025–26 with Marking Scheme on its ...