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For each of the following, state whether the quantity described is a parameter or a statistic, and give the correct notation. (1) The proportion of all residents in a county who voted in the last presidential election. (2) The mean number of extracurricular activities from a random sample of 50 students at your school. (3) The mean grade assigned for all grades given out to undergraduates at your school.

For each of the following, state whether the quantity described is a parameter or a statistic, and give the correct notation. (1) The proportion of all residents in a county who voted in the last presidential election. (2) The mean number of extracurricular activities from a random sample of 50 students at your school. (3) The mean grade assigned for all grades given out to undergraduates at your school.

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.2: Proportions
Problem 47WE
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For each of the following, state whether the quantity described is a parameter or a statistic, and give the correct notation. (1) The proportion of all residents in a county who voted in the last presidential election. (2) The mean number of extracurricular activities from a random sample of 50 students at your school. (3) The mean grade assigned for all grades given out to undergraduates at your school. (4) The difference in proportion who have ever smoked cigarettes, between a sample of 500 people who are 60 years old and a sample of 200 people who are 25 years old.
Transcribed Image Text:For each of the following, state whether the quantity described is a parameter or a statistic, and give the correct notation. (1) The proportion of all residents in a county who voted in the last presidential election. (2) The mean number of extracurricular activities from a random sample of 50 students at your school. (3) The mean grade assigned for all grades given out to undergraduates at your school. (4) The difference in proportion who have ever smoked cigarettes, between a sample of 500 people who are 60 years old and a sample of 200 people who are 25 years old.
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