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Charmaine, a nurse manager at a local hospital, wanted to know more about the hospital's full-time nurses. She polled 20 nurses at random who work full-time at the hospital. The findings in the poll were that these nurses take, on average, 6.2 sick days per year, that 65% of them would prefer a four-day work schedule, and that 5 of them are married. Charmaine didn't know that the top hospital administrators had already surveyed all nurses who work full-time at the hospital. In that survey, it was found that the nurses take, on average, 7.2 sick days per year, that 59% of them would prefer a four-day work schedule, and that 72 of them are married. (a) For Charmaine's poll, identify the population and the sample. Population: (Choose one) Sample: (Choose one) (b) Choose whether each number described below is a parameter or a statistic for Charmaine's poll. Number The 5 randomly chosen nurses who are married The 65% of the randomly chosen nurses who prefer a four-day work schedule The average of 7.2 sick days per year taken among all the full-time nurses at the hospital 5350 Parameter 1 O O Statistic 1 O O X Ś ? 8 6

Charmaine, a nurse manager at a local hospital, wanted to know more about the hospital's full-time nurses. She polled 20 nurses at random who work full-time at the hospital. The findings in the poll were that these nurses take, on average, 6.2 sick days per year, that 65% of them would prefer a four-day work schedule, and that 5 of them are married. Charmaine didn't know that the top hospital administrators had already surveyed all nurses who work full-time at the hospital. In that survey, it was found that the nurses take, on average, 7.2 sick days per year, that 59% of them would prefer a four-day work schedule, and that 72 of them are married. (a) For Charmaine's poll, identify the population and the sample. Population: (Choose one) Sample: (Choose one) (b) Choose whether each number described below is a parameter or a statistic for Charmaine's poll. Number The 5 randomly chosen nurses who are married The 65% of the randomly chosen nurses who prefer a four-day work schedule The average of 7.2 sick days per year taken among all the full-time nurses at the hospital 5350 Parameter 1 O O Statistic 1 O O X Ś ? 8 6

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Charmaine, a nurse manager at a local hospital, wanted to know more about the hospital's full-time nurses. She polled 20 nurses at random who work full-time at the hospital. The findings in the poll were that these nurses take, on average, 6.2 sick days per year, that 65% of them would prefer a four-day work schedule, and that 5 of them are married. Charmaine didn't know that the top hospital administrators had already surveyed all nurses who work full-time at the hospital. In that survey, it was found that the nurses take, on average, 7.2 sick days per year, that 59% of them would prefer a four-day work schedule, and that 72 of them are married. (a) For Charmaine's poll, identify the population and the sample. Population: (Choose one) Sample: (Choose one) (b) Choose whether each number described below is a parameter or a statistic for Charmaine's poll. Number The 5 randomly chosen nurses who are married The 65% of the randomly chosen nurses who prefer a four-day work schedule The average of 7.2 sick days per year taken among all the full-time nurses at the hospital 5350 Parameter 1 O O Statistic 1 O O X Ś ? 8 6
Transcribed Image Text:Charmaine, a nurse manager at a local hospital, wanted to know more about the hospital's full-time nurses. She polled 20 nurses at random who work full-time at the hospital. The findings in the poll were that these nurses take, on average, 6.2 sick days per year, that 65% of them would prefer a four-day work schedule, and that 5 of them are married. Charmaine didn't know that the top hospital administrators had already surveyed all nurses who work full-time at the hospital. In that survey, it was found that the nurses take, on average, 7.2 sick days per year, that 59% of them would prefer a four-day work schedule, and that 72 of them are married. (a) For Charmaine's poll, identify the population and the sample. Population: (Choose one) Sample: (Choose one) (b) Choose whether each number described below is a parameter or a statistic for Charmaine's poll. Number The 5 randomly chosen nurses who are married The 65% of the randomly chosen nurses who prefer a four-day work schedule The average of 7.2 sick days per year taken among all the full-time nurses at the hospital 5350 Parameter 1 O O Statistic 1 O O X Ś ? 8 6
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