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A group of 894 women aged 70 – 79 had their height and weight measured. The mean height was 159 cm with a standard deviation of 5 cm and the mean weight was 65.9 kg with a standard deviation of 12.7 kg. Both sets of data are fairly normal. a) Sketch a normal curve to represent the heights. Determine the percentage of the population that is expected to be taller than 166 cm. b) Sketch a normal curve to represent the weights. Determine the percentage of the population that is expected to weigh between 55 and 75 kg.

A group of 894 women aged 70 – 79 had their height and weight measured. The mean height was 159 cm with a standard deviation of 5 cm and the mean weight was 65.9 kg with a standard deviation of 12.7 kg. Both sets of data are fairly normal. a) Sketch a normal curve to represent the heights. Determine the percentage of the population that is expected to be taller than 166 cm. b) Sketch a normal curve to represent the weights. Determine the percentage of the population that is expected to weigh between 55 and 75 kg.

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 7PPS
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A group of 894 women aged 70 – 79 had their height and weight measured. The mean height was 159 cm with a standard deviation of 5 cm and the mean weight was 65.9 kg with a standard deviation of 12.7 kg. Both sets of data are fairly normal. a) Sketch a normal curve to represent the heights. Determine the percentage of the population that is expected to be taller than 166 cm. b) Sketch a normal curve to represent the weights. Determine the percentage of the population that is expected to weigh between 55 and 75 kg.
Transcribed Image Text:A group of 894 women aged 70 – 79 had their height and weight measured. The mean height was 159 cm with a standard deviation of 5 cm and the mean weight was 65.9 kg with a standard deviation of 12.7 kg. Both sets of data are fairly normal. a) Sketch a normal curve to represent the heights. Determine the percentage of the population that is expected to be taller than 166 cm. b) Sketch a normal curve to represent the weights. Determine the percentage of the population that is expected to weigh between 55 and 75 kg.
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