Insurance quotes for two insurers of hazardous waste jobs

INSURQUOTES

Format

A data frame with 15 observations on the following 2 variables:

  • companyA (quotes from company A in Euros)

  • companyB (quotes from company B in Euros)

References

Ugarte, M. D., Militino, A. F., and Arnholt, A. T. 2015. Probability and Statistics with R, Second Edition. Chapman & Hall / CRC.

Examples

ggplot(data = INSURQUOTES, aes(sample = companyA - companyB)) + 
stat_qq(col = "orange", size = 4)

with(data = INSURQUOTES,
t.test(companyA, companyB))
#> 
#> 	Welch Two Sample t-test
#> 
#> data:  companyA and companyB
#> t = -2.7216, df = 24.645, p-value = 0.01174
#> alternative hypothesis: true difference in means is not equal to 0
#> 95 percent confidence interval:
#>  -54.306109  -7.500558
#> sample estimates:
#> mean of x mean of y 
#>  322.1593  353.0627 
#>