Question 16 0.5 pts The Community Intervention Trial for Smoking Cessation investigates whether an advertising campaign...

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Question 16 0.5 pts The Community Intervention Trial for Smoking Cessation investigates whether an advertising campaign would reduce smoking. The researchers located 12 pairs of communities, with each pair similar in size, economic status, and so on. One community in each pair was randomly chosen to participate in the advertising campaign and the other was not. What type of study is this? Stratified random sample completely randomized experiment observational study Matched pairs experiment Question 17 0.5 pts A university has 10,000 undergraduate and 5,000 graduate students. A survey of the students is conducted by randomly selecting 100 of the 10,000 undergraduate students and also 50 of the 5,000 graduate students. What is the design of this study? Simple random sample Block design Stratified random sample Matched pair design Completely random design Question 18 0.5 pts A department store is trying to decide which line of men's sportswear to feature at the front of their store to attract more customers. They design a survey to find out what types of clothing men like best. Their top-selling sales woman asks men to complete the survey as they walk into the store. What type of sampling was done? Convenience Completely random sample Simple random sample O Volunteer response Question 19 The quantity of eggs laid by a randomly selected salmon is continuous discrete Question 20 The weight of a sandwich served at a deli is discrete O continuous 0.5 pts 0.5 pts Question 16 0.5 pts The Community Intervention Trial for Smoking Cessation investigates whether an advertising campaign would reduce smoking. The researchers located 12 pairs of communities, with each pair similar in size, economic status, and so on. One community in each pair was randomly chosen to participate in the advertising campaign and the other was not. What type of study is this? Stratified random sample completely randomized experiment observational study Matched pairs experiment Question 17 0.5 pts A university has 10,000 undergraduate and 5,000 graduate students. A survey of the students is conducted by randomly selecting 100 of the 10,000 undergraduate students and also 50 of the 5,000 graduate students. What is the design of this study? Simple random sample Block design Stratified random sample Matched pair design Completely random design Question 18 0.5 pts A department store is trying to decide which line of men's sportswear to feature at the front of their store to attract more customers. They design a survey to find out what types of clothing men like best. Their top-selling sales woman asks men to complete the survey as they walk into the store. What type of sampling was done? Convenience Completely random sample Simple random sample O Volunteer response Question 19 The quantity of eggs laid by a randomly selected salmon is continuous discrete Question 20 The weight of a sandwich served at a deli is discrete O continuous 0.5 pts 0.5 pts