Exam 2: Organising and Visualising Data

Instruction 2.6 The frequency distribution below represents the rents of 250 randomly selected federally subsidised apartments in Sydney. Rent in \ Frequency 300 but less than 400 113 400 but less than 500 85 500 but less than 600 32 600 but less than 700 16 700 but less than 800 4 -Referring to Instruction 2.6,the relative frequency of the second class is _________.

Instruction 2.5 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in the Supreme Court of Victoria. Stem Leaves 1 23444 1 7899 2 2222345 5 2 678889 3 001113 3 5778 4 0234 4 5579 5 1124 5 66 6 15 6 8 Note: 1L means the 'low teens' - 10, 11, 12, 13, or 14; 1H means the 'high teens' - 15, 16, 17, 18, or 19; 2L means the 'low twenties' - 20, 21, 22, 23, or 24, etc. -Referring to Instruction 2.5,the person who visited the health club less than anyone else in the sample visited the facility _________ times.

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVD Player Male Fermale Yes 96 40 No 224 240 -Referring to Instruction 2.11,if the sample is a good representation of the population,we can expect _________ % of the females in the population will not own a portable DVD.