Incorrect Question 1 0 / 1 pts A researcher is examining the effects of sound on plant growth. They plant 20 pots of geraniums, 20 pots of tomatoes, and 20 pots of rosemary. They randomly select 10 geraniums to be grown in a space with loud background noise and 10 geraniums to be grown in a very quiet space. They similarly randomly select 10 tomatoes to be grown in a space with loud background noise and 10 tomatoes to be grown in a very quiet space. And they similarly randomly select 10 rosemarys to be grown in a space with loud background noise and 10 rosemarys to be grown in a very quiet space. What type of study design is this? A stratied sampling design A cluster sampling design A simple random sample design A completely randomized experimental design A block design - A matched pairs design Question 2 0 / 1 ptS A researcher is studying commuting habits of residents in Seattle. They randomly select eight neighborhoods in Seattle. Within each neighborhood they randomly select ve different blocks. They then go door- to-door to interview the people living at each house on the selected blocks. What type of study design is this? A completely randomized experimental design - A stratied sampling design A simple random sample design A cluster sampling design A matched pairs design A block design