Obtain the standard deviation of their current ages.

Question

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Answer 1

Question

Chapter 3, Problem 19SE

a.

To determine

Obtain the standard deviation of their current ages.

b.

To determine

Identify whether the standard deviation of the ages in 20 years will be smaller, larger, or the same as the standard deviation of their current ages or not.

Obtain if the standard deviation of future ages is the same or smaller or larger than the current ages by calculating the standard deviation of future ages.

Identify the effects of standard deviation by adding 20 to each number.

c.

To determine

Obtain the mean of the children at their current ages.

d.

To determine

Identify whether the mean of the ages in 20 years will be smaller, larger, or the same as the mean of their current ages or not.

Obtain the mean of future ages that are same or smaller or larger than the current ages by calculating the mean of future ages.

Identify the effects of mean by adding 20 to each number.

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Answer 2

Question

Chapter 3, Problem 19SE

a.

To determine

Obtain the standard deviation of their current ages.

b.

To determine

Identify whether the standard deviation of the ages in 20 years will be smaller, larger, or the same as the standard deviation of their current ages or not.

Obtain if the standard deviation of future ages is the same or smaller or larger than the current ages by calculating the standard deviation of future ages.

Identify the effects of standard deviation by adding 20 to each number.

c.

To determine

Obtain the mean of the children at their current ages.

d.

To determine

Identify whether the mean of the ages in 20 years will be smaller, larger, or the same as the mean of their current ages or not.

Obtain the mean of future ages that are same or smaller or larger than the current ages by calculating the mean of future ages.

Identify the effects of mean by adding 20 to each number.

Expert Solution & Answer

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Answer 3

Question

Chapter 3, Problem 19SE

a.

To determine

Obtain the standard deviation of their current ages.

b.

To determine

Identify whether the standard deviation of the ages in 20 years will be smaller, larger, or the same as the standard deviation of their current ages or not.

Obtain if the standard deviation of future ages is the same or smaller or larger than the current ages by calculating the standard deviation of future ages.

Identify the effects of standard deviation by adding 20 to each number.

c.

To determine

Obtain the mean of the children at their current ages.

d.

To determine

Identify whether the mean of the ages in 20 years will be smaller, larger, or the same as the mean of their current ages or not.

Obtain the mean of future ages that are same or smaller or larger than the current ages by calculating the mean of future ages.

Identify the effects of mean by adding 20 to each number.

Expert Solution & Answer

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Answer 4

Question

Chapter 3, Problem 19SE

a.

To determine

Obtain the standard deviation of their current ages.

b.

To determine

Identify whether the standard deviation of the ages in 20 years will be smaller, larger, or the same as the standard deviation of their current ages or not.

Obtain if the standard deviation of future ages is the same or smaller or larger than the current ages by calculating the standard deviation of future ages.

Identify the effects of standard deviation by adding 20 to each number.

c.

To determine

Obtain the mean of the children at their current ages.

d.

To determine

Identify whether the mean of the ages in 20 years will be smaller, larger, or the same as the mean of their current ages or not.

Obtain the mean of future ages that are same or smaller or larger than the current ages by calculating the mean of future ages.

Identify the effects of mean by adding 20 to each number.

Expert Solution & Answer

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Answer 5

Chapter 3, Problem 19SE

a.

To determine

Obtain the standard deviation of their current ages.

b.

To determine

Identify whether the standard deviation of the ages in 20 years will be smaller, larger, or the same as the standard deviation of their current ages or not.

Obtain if the standard deviation of future ages is the same or smaller or larger than the current ages by calculating the standard deviation of future ages.

Identify the effects of standard deviation by adding 20 to each number.

c.

To determine

Obtain the mean of the children at their current ages.

d.

To determine

Identify whether the mean of the ages in 20 years will be smaller, larger, or the same as the mean of their current ages or not.

Obtain the mean of future ages that are same or smaller or larger than the current ages by calculating the mean of future ages.

Identify the effects of mean by adding 20 to each number.

Answer 6

Chapter 3, Problem 19SE

a.

To determine

Obtain the standard deviation of their current ages.

Answer 7

Chapter 3, Problem 19SE

a.

To determine

Obtain the standard deviation of their current ages.

Answer 8

b.

To determine

Identify whether the standard deviation of the ages in 20 years will be smaller, larger, or the same as the standard deviation of their current ages or not.

Obtain if the standard deviation of future ages is the same or smaller or larger than the current ages by calculating the standard deviation of future ages.

Identify the effects of standard deviation by adding 20 to each number.

Answer 9

b.

To determine

Identify whether the standard deviation of the ages in 20 years will be smaller, larger, or the same as the standard deviation of their current ages or not.

Obtain if the standard deviation of future ages is the same or smaller or larger than the current ages by calculating the standard deviation of future ages.

Identify the effects of standard deviation by adding 20 to each number.

Answer 10

c.

To determine

Obtain the mean of the children at their current ages.

Answer 11

c.

To determine

Obtain the mean of the children at their current ages.

Answer 12

d.

To determine

Identify whether the mean of the ages in 20 years will be smaller, larger, or the same as the mean of their current ages or not.

Obtain the mean of future ages that are same or smaller or larger than the current ages by calculating the mean of future ages.

Identify the effects of mean by adding 20 to each number.

Answer 13

d.

To determine

Identify whether the mean of the ages in 20 years will be smaller, larger, or the same as the mean of their current ages or not.

Obtain the mean of future ages that are same or smaller or larger than the current ages by calculating the mean of future ages.

Identify the effects of mean by adding 20 to each number.

Answer 14

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Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

Ch. 3 - Prob. 1SE Ch. 3 - Prob. 2SE Ch. 3 - Prob. 3SE Ch. 3 - Prob. 4SE Ch. 3 - Prob. 5SE Ch. 3 - Prob. 6SE Ch. 3 - Prob. 7SE Ch. 3 - Prob. 8SE Ch. 3 - Prob. 9SE Ch. 3 - Prob. 10SE

Obtain the standard deviation of their current ages.

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Obtain the standard deviation of their current ages.

Obtain the mean of the children at their current ages.

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