A large population of Indian elephants has an average height of 9 feet; the SD of the lengths is 0.75 feet. Fill in the blanks: If 10 elephants are selected at random, the average height of these 10 is expected to be about _____ feet, but the actual value of the sample average is random. Due to this randomness, the typical distance the sample average is a

A large population of Indian elephants has an average height of 9 feet; the SD of the lengths is 0.75 feet. Fill in the blanks: If 10 elephants are selected at random, the average height of these 10 is expected to be about _____ feet, but the actual value of the sample average is random. Due to this randomness, the typical distance the sample average is a

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

A large population of Indian elephants has an average height of 9 feet; the SD of the lengths is 0.75 feet.

Fill in the blanks: If 10 elephants are selected at random, the average height of these 10 is expected to be about _____ feet, but the actual value of the sample average is random. Due to this randomness, the typical distance the sample average is away from its expected value is about _____ feet.

a. 8; 0.75

b. 10; 0.46

c. 9; 0.24

d. 10; 0.75

e. 9; 0.46

f. 10; 0.24

Expert Solution