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taysmith taysmith
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6 years ago
Explain how two scientists who examine the same data may come to quite different conclusions.
 
  What will be an ideal response?

Ques. 2

The .95 confidence interval for a population proportion based on a sample of n cases ranged from .40 to .56 . If the sample proportion was unchanged, but the sample size was increased to 4n, the .95 confidence interval would be about
 
  a. .32 to .64 c. .44 to .52.
  b. .36 to .60 d. .46 to .50.

Ques. 3

Explain how the complexity of classroom teaching and learning affects research and efforts to apply that research.
 
  What will be an ideal response?

Ques. 4

In a survey of n = 100 teachers, 50 preferred year-around school. Set the .95 confidence interval around this sample proportion.
 
  a. .40 to .60 c. .50 to .60
  b. .45 to .55 d. .55 to .65
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HenrinaHenrina
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6 years ago
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taysmith Author
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#2
6 years ago
Brilliant
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