QUESTION 21 3 points Save Answ You would like to determine the knowledge of geog

Question

QUESTION 21 3 points Save Answ You would like to determine the knowledge of geography of people aged 17 or older in the Capital Region. You decide that to make your study viable, you are going to collect data from all persons currently afiliated with UAlbany, students, faculty nad staff. With the help of Institutional research, you select a random sample of 500 persons at UAlbany and e-mail them a survey with geography questions. There are other explanatory variables such age or nationality, that we would expect to be associated with the response variable. We should O a ignore the nationality of a person because all persons at UAlbany are educated. O b.randomly assign persons to nationality groups. O c. block persons according to their nationality Od. none of the above.

Explanation / Answer

21) As in question, we need only to check about if the person in the sample of 500 population has adequate knowledge or not. for doing so first we need to send general geography question to all 500 people, later we short them as our requirement, suppose we made our research as 20 question and we emailed to all 500 people. 50 people answered all 20 question correct, 100 people answered 15 correct and so on ... there is no need to give different questions according to their nationality or age. here age as the nationality are asked in their response for generating other histograms. so answer should.

D. none of the above

22) we can easily understand by seeing histograms. Frequency is simply the number of people.

histogram C is for 200 rolls for a fair six-faced die.

histogram B is for the height of the randomly selected woman.

histogram A is for the extremely difficult 12 problem statistics quiz.

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