Below : https://youtu.be/b-8NkKBumHM 1. Which TWO of the following situations may cause ‘response bias’? i)Emotive language in a survey question ii)Delay between designing a survey and using it iii)Using a voluntary-response method that leads to respondents not being representative of the population iv)Using qualitative rather than quantitative methods Answers: 1. i and ii only 2. i and iii only 3. ii and iv only 4. iii and iv only 2. What is the name for the test that assesses whether the difference between the mean score for a sample and that of the population as a whole is ‘statistically significant’? Answers: 1. W-test 2. X-test 3. Y-test 4. Z-test 3. What is the ‘mean’ of the following data: 3, 11, 5, 6, 7, 5, 6, 5? Answers: 1. 5 2. 5.5 3. 6 4. Impossible to tell 4. Which of the following types of companies would be LEAST interested in ‘coolhunting’ as
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