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DBA902 Assignment 1 Fall 2021Exercise 1[CLO2]: In the following situations, do you consider the selected sample to be a simplerandom sample? Provide your reasoning for your answer.(a) A TV newsman is conducting man-on-the-street interviews outside the mall to assess publicopinion on the current events in the Arab World. He selected the first 10 customers arrivingthe mall.(b) A teacher is interested in selecting 5 students from a class of 30 students. If the classroom has6 teams with 5 members in each team, choose a team at random and select all students in thatteam.(c) A medical researcher randomly selected five letters from the alphabet and abstracted data fromthe charts of patients whose family names start with any of those five letters.(d) A doctor selected every 20th file from medical charts arranged alphabetically to estimate thepercent of patients who have not had any clinic visits during the past 24 months.Exercise 2: For each of the items below, diagnose the problem(s) with the questions. Then, basedon that diagnosis, suggest improved wording that solves the problem.(a) How would you rate Al-Arabiya and CNN coverage of the recent events in the Arab World? Very low Low Moderate High Very high(b) Given these difficult times in Egypt, how likely are you to spend your summer vacation inCairo? Extremelylikely VeryLikely Somewhat likely Slightly likely Not at All LikelyExercise 3[CLO3]: From the USA survey 1985, describe and analyze the relationship between thehappiness, gender, marital status and total family income variables.Exercise 4: Problem 5.33 Page 316.
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