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Three students want to estimate the mean word length of the same book. To do this, each student randomly chose 5 words from the book and recorded their lengths. The samples are shown in the ta (a) Fill in the sample means in the table. Do not round your answers. Sample Word length (number of letters) Sample mean 5, 5, 2, 6, 6 5, 4, 7, 6, 4 2,8, 4, 7,6 (b) Use the table to calculate the range of the sample means. Range of sample means: 0.6 4.8 5.2 5.4 (c) The students are going to use the sample means to estimate the mean word length in the book. Select all the true statements below. The mean of the sample means will tend to be a worse estimate than a single sample mean. A single sample mean will tend to be a worse estimate than the mean of the sample means. The closer the range of the sample means is to 0, the more confident they can be in their estimate. The farther the range of the sample means is from 0, the more confident they can be in their estimate.

Three students want to estimate the mean word length of the same book. To do this, each student randomly chose 5 words from the book and recorded their lengths. The samples are shown in the ta (a) Fill in the sample means in the table. Do not round your answers. Sample Word length (number of letters) Sample mean 5, 5, 2, 6, 6 5, 4, 7, 6, 4 2,8, 4, 7,6 (b) Use the table to calculate the range of the sample means. Range of sample means: 0.6 4.8 5.2 5.4 (c) The students are going to use the sample means to estimate the mean word length in the book. Select all the true statements below. The mean of the sample means will tend to be a worse estimate than a single sample mean. A single sample mean will tend to be a worse estimate than the mean of the sample means. The closer the range of the sample means is to 0, the more confident they can be in their estimate. The farther the range of the sample means is from 0, the more confident they can be in their estimate.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Three students want to estimate the mean word length of the same book. To do this, each student randomly chose 5 words from the book and recorded their lengths. The samples are shown in the table. (a) Fill in the sample means in the table. Do not round your answers. Sample Word length (number of letters) Sample mean 5, 5, 2, 6, 6 2 5, 4, 7, 6, 4 2,8, 4, 7, 6 (b) Use the table to calculate the range of the sample means. Range of sample means: 0.6 4.8 5.2 5.4 (c) The students are going to use the sample means to estimate the mean word length in the book. Select all the true statements below. The mean of the sample means will tend to be a worse estimate than a single sample mean. A single sample mean will tend to be a worse estimate than the mean of the sample means. The closer the range of the sample means is to 0, the more confident they can be in their estimate. The farther the range of the sample means is from 0, the more confident they can be in their estimate. X
Transcribed Image Text:Three students want to estimate the mean word length of the same book. To do this, each student randomly chose 5 words from the book and recorded their lengths. The samples are shown in the table. (a) Fill in the sample means in the table. Do not round your answers. Sample Word length (number of letters) Sample mean 5, 5, 2, 6, 6 2 5, 4, 7, 6, 4 2,8, 4, 7, 6 (b) Use the table to calculate the range of the sample means. Range of sample means: 0.6 4.8 5.2 5.4 (c) The students are going to use the sample means to estimate the mean word length in the book. Select all the true statements below. The mean of the sample means will tend to be a worse estimate than a single sample mean. A single sample mean will tend to be a worse estimate than the mean of the sample means. The closer the range of the sample means is to 0, the more confident they can be in their estimate. The farther the range of the sample means is from 0, the more confident they can be in their estimate. X
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