The question asked it calculate the uncertainty at a 99% confidence level for the measurements. What would be the uncertainty as a percentage with respect to the mean value?

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Table 3.2 Integrals of the gaussion normal error function Values of the integral (1/27718"cdy are given for different values of the argument 7. It may be observed that New Statistics: Mean Median Mode Std Dev. Skewness Kurtosis 0.3106959596 in 0.3117 in 0.3091 in 0.003604176006 in -1.391224805 1.451608692 1 1 ESPRE 120=2 f 0.825814 The values are related to the error function since 1 +11 erf cardy -11 so that the tabular values are equal to crf(1/72). Each figure in the body of the table is preceded by a decimal point. 0.00 0.01 0.02 0.03 0.05 0.06 0.07 0.08 0.09 00 0000 0039900798 01197 01595 01994 0239202790 03188 03586 0.1 03983 0438004776 05172 05567 05962 06356 06749 07142 07355 0.2 07926 08317 08706 09095 09483 09871 10257 1064211026 11409 0.3 11791 1217212552 12930 13307 13583 14058 14431 14803 15173 04 15554 15910 16276 16640 17003 17364 17724 18082 1843918793 05 19146 19497 19847 20194 20450 20884 21226 21566 21904 22240 0.6 22575 2290723237 23565 23891 24215 2453724857 2517525490 0.7 25084 26115 26424 26790 27035 27337 27631 27935 28230 28524 2910329389 29673 29955 30234 30511 30785 31057 31327 09 31544 31859 32121 32381 32679 32894 33147 3399893646 33891 1.0 34134 34375 34614 34850 35083 35083 35313 35543 35769 35993 36214 LI36433 36650 36864 37076 37286 37493 37698 37900 3810038298 12 38493 38686 38877 3906539251 39435 39617 39796 39973 40147 13 40320 40490 40658 40824 40824 40988 41198 41308 41466 41621 41774 14 41924 4207342220 42354 42507 42547 42547 42786 42922 43056 43189 1.5 43319 43448 43574 4369943822 43943 44062 44179 44295 44408 16 44520 44630 44738 448454495045053 45154 45254 45352 45449 1.7 45543 45637 45728 45818 45907 45994 4608046164 46246 46327 18 46407 46485 46562 46638 46712 46784 46856 469264699547062 1.9 47128 47193 47257 47320 47381 47441 47500 47558 47615 47670 2.0 47725 47778 47831478824793247962 48030 48077 48124 48169 2.1 48214 4825748300 48341 48382 4842248461 48500 4853748574 22 48610 48645 48679 4871348745 48778 4880948840 48870 48899 23 48928 48956 489834901049036 49061 49086 4911 49134 49158 24 49150 4920249224 49245 49266 49286 49305 4932449343 49361 25 49379 4929649413 49430 49446 49461 49477 49492 49306 49520 26 49534 49547 4956049573 4958549598 4960949621 4963249643 2.7 49653 49664 49674 4968349693 4970249711 49720 49728 49736 2849744 497524976049767 49774 497814978849795 49801 49807 29 49813 49819 49825 49825 49831 49836 49841 49846 49851 49856 49861 3.0 49865 Table 3.2 Integrals of the gaussion normal error function Values of the integral (1/27718"cdy are given for different values of the argument 7. It may be observed that New Statistics: Mean Median Mode Std Dev. Skewness Kurtosis 0.3106959596 in 0.3117 in 0.3091 in 0.003604176006 in -1.391224805 1.451608692 1 1 ESPRE 120=2 f 0.825814 The values are related to the error function since 1 +11 erf cardy -11 so that the tabular values are equal to crf(1/72). Each figure in the body of the table is preceded by a decimal point. 0.00 0.01 0.02 0.03 0.05 0.06 0.07 0.08 0.09 00 0000 0039900798 01197 01595 01994 0239202790 03188 03586 0.1 03983 0438004776 05172 05567 05962 06356 06749 07142 07355 0.2 07926 08317 08706 09095 09483 09871 10257 1064211026 11409 0.3 11791 1217212552 12930 13307 13583 14058 14431 14803 15173 04 15554 15910 16276 16640 17003 17364 17724 18082 1843918793 05 19146 19497 19847 20194 20450 20884 21226 21566 21904 22240 0.6 22575 2290723237 23565 23891 24215 2453724857 2517525490 0.7 25084 26115 26424 26790 27035 27337 27631 27935 28230 28524 2910329389 29673 29955 30234 30511 30785 31057 31327 09 31544 31859 32121 32381 32679 32894 33147 3399893646 33891 1.0 34134 34375 34614 34850 35083 35083 35313 35543 35769 35993 36214 LI36433 36650 36864 37076 37286 37493 37698 37900 3810038298 12 38493 38686 38877 3906539251 39435 39617 39796 39973 40147 13 40320 40490 40658 40824 40824 40988 41198 41308 41466 41621 41774 14 41924 4207342220 42354 42507 42547 42547 42786 42922 43056 43189 1.5 43319 43448 43574 4369943822 43943 44062 44179 44295 44408 16 44520 44630 44738 448454495045053 45154 45254 45352 45449 1.7 45543 45637 45728 45818 45907 45994 4608046164 46246 46327 18 46407 46485 46562 46638 46712 46784 46856 469264699547062 1.9 47128 47193 47257 47320 47381 47441 47500 47558 47615 47670 2.0 47725 47778 47831478824793247962 48030 48077 48124 48169 2.1 48214 4825748300 48341 48382 4842248461 48500 4853748574 22 48610 48645 48679 4871348745 48778 4880948840 48870 48899 23 48928 48956 489834901049036 49061 49086 4911 49134 49158 24 49150 4920249224 49245 49266 49286 49305 4932449343 49361 25 49379 4929649413 49430 49446 49461 49477 49492 49306 49520 26 49534 49547 4956049573 4958549598 4960949621 4963249643 2.7 49653 49664 49674 4968349693 4970249711 49720 49728 49736 2849744 497524976049767 49774 497814978849795 49801 49807 29 49813 49819 49825 49825 49831 49836 49841 49846 49851 49856 49861 3.0 49865