NewsBot
03-Apr-20, 14:50
The Caithness Business Index (http://www.caithness-business.co.uk) has posted the following article:
Coronavirus: Country Comparisons Are Pointless Unless We Account For These Biases In Testing
Suppose we wanted to estimate how many car owners there are in the UK and how many of those own a Ford Fiesta, but we only have data on those people who visited Ford car showrooms in the last year. If 10% of the showroom visitors owned a Fiesta, then, because of the bias in the sample, this would certainly overestimate the proportion of Ford Fiesta owners in the country. [Read Full Article (https://caithness-business.co.uk/article/10699)]
Coronavirus: Country Comparisons Are Pointless Unless We Account For These Biases In Testing
Suppose we wanted to estimate how many car owners there are in the UK and how many of those own a Ford Fiesta, but we only have data on those people who visited Ford car showrooms in the last year. If 10% of the showroom visitors owned a Fiesta, then, because of the bias in the sample, this would certainly overestimate the proportion of Ford Fiesta owners in the country. [Read Full Article (https://caithness-business.co.uk/article/10699)]