Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

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Answer 1

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Chapter 6, Problem 21PS

a.

To determine

Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

b.

To determine

Determine whether the data is normally distributed by constructing a normal probability plot for the given data.

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You may need to use the appropriate technology to answer this question. Investors commonly use the standard deviation of the monthly percentage return for a mutual fund as a measure of the risk for the fund; in such cases, a fund that has a larger standard deviation is considered more risky than a fund with a lower standard deviation. The standard deviation for a certain fund, referred to as Fund A, and the standard deviation for a second fund, Fund B, were recently reported to be 14.0% and 18.9%, respectively. Assume that each of these standard deviations is based on a sample of 60 months of returns. Do the sample results support the conclusion that the Fund B has a larger population variance than Fund A? (Assume that ? = 0.05.) State the null and alternative hypotheses. H0: ?12 ≤ ?22 Ha: ?12 > ?22 H0: ?12 = ?22 Ha: ?12 ≠ ?22 H0: ?12 > ?22 Ha: ?12 ≤ ?22 H0: ?12 ≠ ?22 Ha: ?12 = ?22 Find the value of the test statistic. Find the p-value. (Round your answer to four…

Indicate whether the following statement is descriptive or inferential statistics. (No need for explanation, ANSWERS only)

The data set below on the left represents the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the data set below on the right represents the annual rate of return (in percent) of eight randomly sampled stock mutual funds. Use the information in the table below to complete parts (a) through (d). Then complete part (e). (a) Determine the mean and standard deviation of each data set. The mean of the data set for bond mutual funds is 2.575 (Type an integer or decimal rounded to three decimal places as needed.) Bond mutual Stock mutual D The standard deviation of the data set for bond mutual funds is 0.669 funds funds (Type an integer or decimal rounded to three decimal places as needed.) 3.4 2.0 9.6 7.8 The mean of the data set for stock mutual funds is 8.213 2.1 3.6 93 7.6 Per 2.6 2.9 (Type an integer or decimal rounded to three decimal places as needed.) 8.6 74 1.8 2.2 83 7.1 The standard deviation of the data set for stock mutual funds is 0.903 Qu…

Answer 2

Question

Chapter 6, Problem 21PS

a.

To determine

Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

b.

To determine

Determine whether the data is normally distributed by constructing a normal probability plot for the given data.

Expert Solution & Answer

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Answer 3

Question

Chapter 6, Problem 21PS

a.

To determine

Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

b.

To determine

Determine whether the data is normally distributed by constructing a normal probability plot for the given data.

Expert Solution & Answer

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Answer 4

Question

Chapter 6, Problem 21PS

a.

To determine

Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

b.

To determine

Determine whether the data is normally distributed by constructing a normal probability plot for the given data.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 5

Chapter 6, Problem 21PS

a.

To determine

Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

b.

To determine

Determine whether the data is normally distributed by constructing a normal probability plot for the given data.

Answer 6

Chapter 6, Problem 21PS

a.

To determine

Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

Answer 7

Chapter 6, Problem 21PS

a.

To determine

Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

Answer 8

b.

To determine

Determine whether the data is normally distributed by constructing a normal probability plot for the given data.

Answer 9

b.

To determine

Determine whether the data is normally distributed by constructing a normal probability plot for the given data.

Answer 10

Expert Solution & Answer

Answer 11

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Answer 12

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Answer 13

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Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

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Determine whether the data is normally distributed by comparing data characteristics to theoretical properties

Determine whether the data is normally distributed by constructing a normal probability plot for the given data.

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