Calculate the range , variance, and standard deviation for the data 239 214 327 416 321 289 209 356 190 272 252 272 310 276 251

2. there are 250 students in a school auditorium. use numbers from the box to complete the table. 16, 38, 18, 45, 25, 50, 32, 60 grade number percent of all students of students fifth 24 sixth 95 seventh 20 eight 45

Write the ratio as a fraction in lowest terms. compare in inches. 5 feet to 50 inches

Mrs. robinson bought a novel at a bookstore on sale for 20% off its regular price of $29.99. mr chang bought the same novel at a different bookstore for 10% off its regular price of $25. which person received the better discount?