1. A small organisation employs 13 staff and their weekly salaries are given in Table 10.11. Determine...

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1. A small organisation employs 13 staff and their weekly salaries are given in Table 10.11. Determine the mode of the 13 salaries.

Staff X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 Salary  200 350 200 850 200 300 250 200 350 400 Table 10.11 Weekly

2. Determine the mode of the plant height data of Table 10.5.

Height (mm) 0-14 15-24 25-34 35-44 45-54 55-64 65-74 75-84 85-94 95-104 TOTAL Frequency 0 1 0 315 4 4 1 1 20

3. A liquid-soap manufacturer produce a bottle with an advertised content of 310 ml. A sample of 16 bottles yield the following contents in ml:

297 318 306 300 311 303 322 307 312 300 315 291 298 296 309 311

Determine the mean, median and mode of the sample set. For the mean and median round your answer to 1dp.

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