A bag is filled with 100 red M&Ms, describe the mass as a mean.

Please help! What is describe the mass as a mean asking for?? I've solved this in excel multiple ways but all wrong. Please explain in excel and do not round. The ones I tried already are 0.846, 0.856, and 5.123 and they were all wrong.

RED 0.751 0.841 0.856 0.799 0.966 0.859 0.857 0.942 0.873 0809 0.890 0.878 0.905 ORANGE YELLOW BROWN 0.735 0.883 0.696 0.895 0.769 0.876 0.865 0.859 0.855 0.864 0.784 0.806 0.852 0.824 0.840 0.866 0.858 0.868 0.859 0.848 0.859 0.838 0.851 0.982 0.863 0.888 0.925 0.793 0.977 0.850 0.830 0.856 0.842 0.778 0.786 0.853 0.864 0.873 0.880 0.882 0.931 BLUE 0.881 0.863 0.775 0.854 0.810 0.858 0.818 0.868 0.803 0.932 0842 0.832 0.807 0.841 0.932 0.833 0.881 0.818 0.864 0.825 0.855 0.942 0.825 0.869 0.912 0.887 0.886 GREEN 0.925 0.914 0.881 0.865 0.865 1.015 0.876 0.809 0.865 0.848 0.940 0.833 0.845 0.852 0.778 0.814 0.791 0.810 0.881 Mean Variance Red Orange Yellow Brown Blue Green 0.864 0.858 0.8345 0.848 0.856 0.864 0.003317 0.00251 0.001559 0.00632 0.001764 0.003245 RED 0.751 0.841 0.856 0.799 0.966 0.859 0.857 0.942 0.873 0809 0.890 0.878 0.905 ORANGE YELLOW BROWN 0.735 0.883 0.696 0.895 0.769 0.876 0.865 0.859 0.855 0.864 0.784 0.806 0.852 0.824 0.840 0.866 0.858 0.868 0.859 0.848 0.859 0.838 0.851 0.982 0.863 0.888 0.925 0.793 0.977 0.850 0.830 0.856 0.842 0.778 0.786 0.853 0.864 0.873 0.880 0.882 0.931 BLUE 0.881 0.863 0.775 0.854 0.810 0.858 0.818 0.868 0.803 0.932 0842 0.832 0.807 0.841 0.932 0.833 0.881 0.818 0.864 0.825 0.855 0.942 0.825 0.869 0.912 0.887 0.886 GREEN 0.925 0.914 0.881 0.865 0.865 1.015 0.876 0.809 0.865 0.848 0.940 0.833 0.845 0.852 0.778 0.814 0.791 0.810 0.881 Mean Variance Red Orange Yellow Brown Blue Green 0.864 0.858 0.8345 0.848 0.856 0.864 0.003317 0.00251 0.001559 0.00632 0.001764 0.003245