In a study, the sample is chosen by dividing all students into groups, then randomly selecting 3 of the groups What is the sampling method? O Systematic OConvenience O Simple random O Stratified

Q: college faculty consists of 400 men and 250 women. The college administration wants to draw a sample…

A: Given:  Population is devided into two groups men and women  No of men N1= 400  No of women N2= 250…

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.