Use the magnitudes (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use technology to find the range, vanance, and standard deviation. If another value, 7.00, is added to those listed in the data set, do the measures of variation change much? Fif Click the icon to view the table of magnitudes. - X Magnitudes Without the extra data value, the range is (Type an integer or decimal rounded to three decimal places as needed) 3.32 279 283 1.96 1.69 250 244 3.44 3.98 1.59 2 90 1.61 256 3.98 254 246 1.81 2 20 2.44 2.99 293 2.33 1.90 3.02 277 3.88 295 2 08 1.83 235 2.37 3.48 3.46 1.56 254 1.49 221 3.08 2 27 3.25 1.98 1.92 242 291 2.58 1.50 215 234 1.93 2 68 2 87 1.82 365 268 1.45 3.64 314 257 1.52 1.41 2.83 2.85 2 20 1.67 3.21 1.39 171 237 1.15 234 246 1.78 2.00 3.01 1.95 241 1.86 2 22 3.17 4.04 207 1.49 232 232 259 256 2.20 279 2 2.74 3.63 2.80 276 328 1.77 4.66 3.21 2 39 202 3.90 2 239 2.90 2 69 2 29 283 280 2 342 235 1.51 243 243 249 2 69 244 2.79 2 69 273 241