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For each of the following settings in Exercises 2.1.1-2.1.4, (i) identify the variable(s) in the study, (ii) for each vari- able tell the type of variable (e.g.,categorical and ordinal, discrete, etc.), (iii) identify the observational unit (the thing sampled), and (iv) determine the sample size. A total of 129 persons donated blood. For each of them, the blood type and cholesterol levels were recorded. 2.1.3 (a) A biologist measured the number of leaves on each of 25 plants. 2.1.1 (a) A paleontologist measured the width (in mm) of the last upper molar in 36 specimens of the extinct mam- mal Acropithecus rigidus. (b) The birthweight, date of birth, and the mother's race were recorded for each of 65 babies. (b) A physician recorded the number of seizures that each of 20 patients with severe epilepsy had during an eight-week period. 2.1.4 (a) A conservationist recorded the weather (clear, partly cloudy, cloudy, rainy) and number of cars parked at noon at a trailhead on each of 18 days (b) An enologist measured the pH and residual sugar content (g/l) of seven barrels of wine. 2.1.2 (a) A physician measured the height and weight of each of 37 children. (b) During a blood drive, a blood bank offered to check the cholesterol of anyone who donated blood.

For each of the following settings in Exercises 2.1.1-2.1.4, (i) identify the variable(s) in the study, (ii) for each vari- able tell the type of variable (e.g.,categorical and ordinal, discrete, etc.), (iii) identify the observational unit (the thing sampled), and (iv) determine the sample size. A total of 129 persons donated blood. For each of them, the blood type and cholesterol levels were recorded. 2.1.3 (a) A biologist measured the number of leaves on each of 25 plants. 2.1.1 (a) A paleontologist measured the width (in mm) of the last upper molar in 36 specimens of the extinct mam- mal Acropithecus rigidus. (b) The birthweight, date of birth, and the mother's race were recorded for each of 65 babies. (b) A physician recorded the number of seizures that each of 20 patients with severe epilepsy had during an eight-week period. 2.1.4 (a) A conservationist recorded the weather (clear, partly cloudy, cloudy, rainy) and number of cars parked at noon at a trailhead on each of 18 days (b) An enologist measured the pH and residual sugar content (g/l) of seven barrels of wine. 2.1.2 (a) A physician measured the height and weight of each of 37 children. (b) During a blood drive, a blood bank offered to check the cholesterol of anyone who donated blood.

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
Section10.4: Distributions Of Data
Problem 19PFA
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answer 2.1.2 to 2.1.4

For each of the following settings in Exercises 2.1.1-2.1.4, (i) identify the variable(s) in the study, (ii) for each vari- able tell the type of variable (e.g., categorical and ordinal, discrete, etc.), (iii) identify the observational unit (the thing sampled), and (iv) determine the sample size. A total of 129 persons donated blood. For each of them, the blood type and cholesterol levels were recorded. 2.1.3 (a) A biologist measured the number of leaves on each of 25 plants. 2.1.1 (a) A paleontologist measured the width (in mm) of the last upper molar in 36 specimens of the extinct mam- mal Acropithecus rigidus. (b) The birthweight, date of birth, and the mother's race were recorded for each of 65 babies (b) A physician recorded the number of seizures that cach of 20 patients with severe epilepsy had during an eight-week period. 2.1.4 (a) A conservationist recorded the weather (clear, partly cloudy, cloudy, rainy) and number of cars parked at noon at a trailhead on each of 18 days. (b) An enologist measured the pH and residual sugar content (g/1) of seven barrels of wine. 2.1.2 (a) A physician measured the height and weight of each of 37 children. (b) During a blood drive, a blood bank offered to check the cholesterol of anyone who donated blood.
Transcribed Image Text:For each of the following settings in Exercises 2.1.1-2.1.4, (i) identify the variable(s) in the study, (ii) for each vari- able tell the type of variable (e.g., categorical and ordinal, discrete, etc.), (iii) identify the observational unit (the thing sampled), and (iv) determine the sample size. A total of 129 persons donated blood. For each of them, the blood type and cholesterol levels were recorded. 2.1.3 (a) A biologist measured the number of leaves on each of 25 plants. 2.1.1 (a) A paleontologist measured the width (in mm) of the last upper molar in 36 specimens of the extinct mam- mal Acropithecus rigidus. (b) The birthweight, date of birth, and the mother's race were recorded for each of 65 babies (b) A physician recorded the number of seizures that cach of 20 patients with severe epilepsy had during an eight-week period. 2.1.4 (a) A conservationist recorded the weather (clear, partly cloudy, cloudy, rainy) and number of cars parked at noon at a trailhead on each of 18 days. (b) An enologist measured the pH and residual sugar content (g/1) of seven barrels of wine. 2.1.2 (a) A physician measured the height and weight of each of 37 children. (b) During a blood drive, a blood bank offered to check the cholesterol of anyone who donated blood.
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