tlantic Introduction to Statisties-Assignment I MAIS0 the plots on a farm to gro
ID: 3351947 • Letter: T
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tlantic Introduction to Statisties-Assignment I MAIS0 the plots on a farm to group one and the remaining plots to group two. On the plots in group one, the new fertilizer was used for a year. On the plots in group two, the old fertilizer was used. At the end of the year the average crop yield for the plots in group one was compared with the average crop yield for the plots in group two. 21) A scientist was studying the effects of a new fertilizer on crop yield. She randomly assigned half of Axperiment B) observational study Provide an appropriate response. 22) 22) Explain what bias there is in a study done entirely online bias Determine whether the data set is a population or a sample 23) The age of every fourth person entering a department store 23) A) sample B) population Identify the population and the sample. classified as obese. 24) A survey of 2625 elementaryschool children found that 28% of the children could be 24) Determine whether the numerical value is a parameter or a statistic. Explain your re 25) The average salary of all assembly-line employees at a certain car manufacturer is $ 25) 4,000 Identify the sampling technique used. 26) Thirty-five sophomores, 30 juniors and 33 seniors are randomly selected from 281 sophomores, 242 juniors and 529 seniors at a certain high school. 26) A) convenience B) stratified C) systematic D) random E) cluster 27) Every fifth person boarding a plane is searched thoroughly A) cluster B) stratified C) random D) convenience E) systematic 27)Explanation / Answer
23 ) sample
24) sample
25) a parameter
26) B) stratified
27) E) systematic
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