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The following data represent petal lengths (in cm) for independent random samples of two species of iris. Petal length (in cm) of Iris virginica xn, 36 5.0 6.3 6.1 5.1 5.5 5.3 5.5 6.9 5.0 4.9 6.0 4.8 6.1 5.6 5.1 5.8 5.6 4.8 5.4 S.1 S.15.95.25.7 5.4 4.56.4 5.3 5.5 6.7 5.7 4.9 4.8 5.7 5.1 5.1 Petal length (in cm) of Iris setosa ,30 1.4 1.8 1.4 1.5 1.5 1.4 1.1 1.2 14 1.7 1.0 1.7 1.9 1.6 14 1.5 1.4 1.2 1.3 1.5 1.3 1.6 1.9 1.4 1.6 1.5 1.4 1.6 1.2 1.9 1.5 1.6 1.4 1.3 1.7 1.5 1.5

The following data represent petal lengths (in cm) for independent random samples of two species of iris. Petal length (in cm) of Iris virginica xn, 36 5.0 6.3 6.1 5.1 5.5 5.3 5.5 6.9 5.0 4.9 6.0 4.8 6.1 5.6 5.1 5.8 5.6 4.8 5.4 S.1 S.15.95.25.7 5.4 4.56.4 5.3 5.5 6.7 5.7 4.9 4.8 5.7 5.1 5.1 Petal length (in cm) of Iris setosa ,30 1.4 1.8 1.4 1.5 1.5 1.4 1.1 1.2 14 1.7 1.0 1.7 1.9 1.6 14 1.5 1.4 1.2 1.3 1.5 1.3 1.6 1.9 1.4 1.6 1.5 1.4 1.6 1.2 1.9 1.5 1.6 1.4 1.3 1.7 1.5 1.5

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
Section10.5: Comparing Sets Of Data
Problem 14PPS
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The following data represent petal lengths (in cm) for independent random samples of two species of iris. Petal length (in cm) of Iris virginica: xn, 36 5.0 6.3 6.1 5.1 5.5 5.3 5.5 6.9 5.0 4.9 6.0 4.8 6.1 5.6 5.1 5.8 5.6 4.8 5.4 5.1 5.1 5.9 5.2 5.7 5.4 4.5 6.4 5.3 5.5 6.7 5.7 4.9 4.8 5.7 5.1 5.1 Petal length (in cm) of Iris setosa x n38 1.4 1.8 1.4 1.5 1.5 1.6 1.4 1.1 1.2 1.4 1.7 1.0 1.7 1.9 1.6 14 1.5 1.4 1.2 1.3 1.5 1.3 1.6 1.9 1.6 1.5 1.4 1.4 1.6 1.2 1.9 1.5 1.6 1.4 1.3 1.7 1.5 1.5 A USE SALT
Transcribed Image Text:The following data represent petal lengths (in cm) for independent random samples of two species of iris. Petal length (in cm) of Iris virginica: xn, 36 5.0 6.3 6.1 5.1 5.5 5.3 5.5 6.9 5.0 4.9 6.0 4.8 6.1 5.6 5.1 5.8 5.6 4.8 5.4 5.1 5.1 5.9 5.2 5.7 5.4 4.5 6.4 5.3 5.5 6.7 5.7 4.9 4.8 5.7 5.1 5.1 Petal length (in cm) of Iris setosa x n38 1.4 1.8 1.4 1.5 1.5 1.6 1.4 1.1 1.2 1.4 1.7 1.0 1.7 1.9 1.6 14 1.5 1.4 1.2 1.3 1.5 1.3 1.6 1.9 1.6 1.5 1.4 1.4 1.6 1.2 1.9 1.5 1.6 1.4 1.3 1.7 1.5 1.5 A USE SALT
(a) Use a calculator with mean and standard deviation keys to calculate x,, S and s. (Round your answers to four decimal places.) (b) Let , be the population mean for x, and let , be the population mean for x. Find a 99% confidence interval for ,-. (Round your answers to two decimal places.) lower limit upper limit
Transcribed Image Text:(a) Use a calculator with mean and standard deviation keys to calculate x,, S and s. (Round your answers to four decimal places.) (b) Let , be the population mean for x, and let , be the population mean for x. Find a 99% confidence interval for ,-. (Round your answers to two decimal places.) lower limit upper limit
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