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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola
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In Exercise use analysis of variance for

Chapter 12, Problem 12 BSC

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QUESTION:

Problem  12BSC

In Exercise use analysis of variance for the indicated test.

Clancy, Rowling, Tolstoy Readability Pages were randomly selected by the author from The Bear and the Dragon by Tom Clancy, Harry Potter and the Sorcerer’s Stone by J. K. Rowling, and War and Peace by Leo Tolstoy. The Flesch Reading Ease scores for those pages are listed below. Use a 0.05 significance level to test the claim that the three samples are from populations with the same mean. Do the books appear to have different reading levels of difficulty?

Clancy

58.2

73.4

73.1

64.4

72.7

89.2

43.9

76.3

76.4

78.9

69.4

72.9

Rowling

85.3

84.3

79.5

82.5

80.2

84.6

79.2

70.9

78.6

86.2

74.0

83.7

Tolstoy

69.4

64.2

71.4

71.6

68.5

51.9

72.2

74.4

52.8

58.4

65.4

73.6

Questions & Answers

QUESTION:

Problem  12BSC

In Exercise use analysis of variance for the indicated test.

Clancy, Rowling, Tolstoy Readability Pages were randomly selected by the author from The Bear and the Dragon by Tom Clancy, Harry Potter and the Sorcerer’s Stone by J. K. Rowling, and War and Peace by Leo Tolstoy. The Flesch Reading Ease scores for those pages are listed below. Use a 0.05 significance level to test the claim that the three samples are from populations with the same mean. Do the books appear to have different reading levels of difficulty?

Clancy

58.2

73.4

73.1

64.4

72.7

89.2

43.9

76.3

76.4

78.9

69.4

72.9

Rowling

85.3

84.3

79.5

82.5

80.2

84.6

79.2

70.9

78.6

86.2

74.0

83.7

Tolstoy

69.4

64.2

71.4

71.6

68.5

51.9

72.2

74.4

52.8

58.4

65.4

73.6

ANSWER:

Answer:

Step 1 of 1

The Hypothesis can be expressed as

H0:

H1: At least one of them is not equal.

Clancy

Rowling

Tolstoy

58.2

85.3

69.4

73.4

84.3

64.2

73.1

79.5

71.4

64.4

82.5

71.6

72.7

80.2

68.5

89.2

84.6

51.9

43.9

79.2

72.2

76.3

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