For a Sample of 20 IQ Scores the Mean Score $\sigma _ { , }$

question 87

Multiple Choice

For a sample of 20 IQ scores the mean score is 105.8. The standard deviation, $\sigma _ { , }$ is 15. Determine whether a normal distribution or a t-distribution should be used or whether neither of these can be used to construct a
Confidence interval. Assume that IQ scores are normally distributed.

• A)Use normal distribution.
• B)Use the t-distribution.
• C)Cannot use normal distribution or t-distribution.

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Individuals who opposed the ratification of the United States Constitution in 1787-1788, fearing that it granted too much power to a central federal government at the expense of states' rights.

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The intense discussions and arguments that took place around the adoption of the United States Constitution, highlighting the divide between Federalists, who supported the Constitution, and Anti-Federalists, who opposed it.

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