You want to obtain a survey from households across the U.S. To obtain the survey you separate the U.S. population into states and select 50 people from each state to survey. This sampling technique can best be described as

Q: You are the operations manager for an airine and you are considering a higher fare level for…

A: It is given that margin of error (E) is 0.015 and the confidence level is 0.90.

Q: tephanie is trying to figure out the sample size of an experiment. She knows the population SD is…

A: Solution: Given information: σ= 41.5    Population standard deviation σx= 2.7   Standard deviation…

Q: Identify the population being studied and the sample chosen. The final exam scores of 44 out of the…

A: Solution: Sample is the subset of population. Population is the entire set of units under study.

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Answer can be given from sample size formulae.

Q: I posted my question as a picture

A: i)In cluster sampling, the researcher divides the population into different groups which is called…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.