he acreage in thousands of acres of the 39 U S National Parks is shown here Construct a frequency distribution for the data sing eight classes 41 36 183 520 650 505 196 760 66 338 61 77 462 94 70 143 233 775 233 236 13 308 27 217 106 52 75 265 132 28 46 539 169 64 77 5 52 402 220