What Sample Size Is Needed to Estimate with 95 Percent

question 89

Multiple Choice

What sample size is needed to estimate with 95 percent confidence the mean intake of daily calcium within 20 units of the true mean if the intake is normally distributed with a variance of 1900 units?

• A) 34,671
• B) 187
• C) 32
• D) 19

Recognize various approaches used in gifted and talented programs.

Identify methodological issues in intelligence research, including the impact of cohort effects.

Comprehend the advantages of information processing measures in assessing infant cognition.

Understand the importance of avoiding confirmation bias in scientific research.

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