Question

Consider the following data representing the price of laptop computers (in dollars). 1465, 1151, 1344, 1200, 1468, 1310, 1177, 1220, 1148, 1347, 1404, 1405, 1313, 1289, 1431, 1136, 1335, 1160, 1387, 1219, 1329 Price of Laptop Computers (in Dollars) Class Frequency Class Boundaries Midpoint Relative Frequency Cumulative Frequency 1132–1191 1192–1251 1252–1311 1312–1371 1372–1431 1432–1491 Step 3 of 7 : Determine the lower class boundary for the sixth class.

Answer 1

21

Explanation:

1132-1191 5 1131.5-1191.5 1161.5 0.2381 5

1192-1251 3 1191.5-1251.5 1221.5 0.1428 8

1252-1311 2 1251.5-1311.5 1281.5 0.0952 10

1312-1371 5 1311.5-1371.5 1341.5 0.2381 15

1371-1431 4 1371.5-1431.5 1401.5 0.1905 19

1432-1491 2 1431.5-1491.5 1416.5 0.0952 21

please say i'm right

Answer 2

Class Frequency Class boundaries Mid Relative Cumulative

point frequency frequency

1132-1191 5 1131.5-1191.5 1161.5 0.2381 5

1192-1251 3 1191.5-1251.5 1221.5 0.1428 8

1252-1311 2 1251.5-1311.5 1281.5 0.0952 10

1312-1371 5 1311.5-1371.5 1341.5 0.2381 15

1371-1431 4 1371.5-1431.5 1401.5 0.1905 19

1432-1491 2 1431.5-1491.5 1416.5 0.0952 21

Total 21

Therefore, the lower class boundary for the sixth class is 1431.5