316   cout << "Quartiles " << quantile(quiz, 0.25) << " to "  in main()
317     << quantile(complement(quiz, 0.25)) << endl; // Quartiles  in main()
318   cout << "1 standard deviation " << quantile(quiz, 0.33) << " to "  in main()
319     << quantile(quiz, 0.67) << endl; // 1 sd  in main()
320   cout << "Deciles " << quantile(quiz, 0.1)  << " to "  in main()
321     << quantile(complement(quiz, 0.1))<< endl; // Deciles  in main()
322   cout << "5 to 95% " << quantile(quiz, 0.05)  << " to "  in main()
323     << quantile(complement(quiz, 0.05))<< endl; // 5 to 95%  in main()
324   cout << "2.5 to 97.5% " << quantile(quiz, 0.025) << " to "  in main()
325     <<  quantile(complement(quiz, 0.025)) << endl; // 2.5 to 97.5%  in main()
326   cout << "2 to 98% " << quantile(quiz, 0.02)  << " to "  in main()
327     << quantile(complement(quiz, 0.02)) << endl; //  2 to 98%  in main()
329   cout << "If guessing then percentiles 1 to 99% will get " << quantile(quiz, 0.01)  in main()
330     << " to " << quantile(complement(quiz, 0.01)) << " right." << endl;  in main()
380   cout << "Quartiles " << quantile(quiz, 0.25) << " to "  in main()
381     << quantile(complement(quiz_real, 0.25)) << endl; // Quartiles 2 to 4.6212  in main()
382   cout << "1 standard deviation " << quantile(quiz_real, 0.33) << " to "  in main()
383     << quantile(quiz_real, 0.67) << endl; // 1 sd 2.6654 4.194  in main()
384   cout << "Deciles " << quantile(quiz_real, 0.1)  << " to "  in main()
385     << quantile(complement(quiz_real, 0.1))<< endl; // Deciles 1.3487 5.7583  in main()
386   cout << "5 to 95% " << quantile(quiz_real, 0.05)  << " to "  in main()
387     << quantile(complement(quiz_real, 0.05))<< endl; // 5 to 95% 0.83739 6.4559  in main()
388   cout << "2.5 to 97.5% " << quantile(quiz_real, 0.025) << " to "  in main()
389     <<  quantile(complement(quiz_real, 0.025)) << endl; // 2.5 to 97.5% 0.42806 7.0688  in main()
390   cout << "2 to 98% " << quantile(quiz_real, 0.02)  << " to "  in main()
391     << quantile(complement(quiz_real, 0.02)) << endl; //  2 to 98% 0.31311 7.7880  in main()
393   cout << "If guessing, then percentiles 1 to 99% will get " << quantile(quiz_real, 0.01)  in main()
394     << " to " << quantile(complement(quiz_real, 0.01)) << " right." << endl;  in main()