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Author Archives: Anonymous

Interpret the 99% confidence interval you found in the previ…

Interpret the 99% confidence interval you found in the previous question.

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Based on the 2000 Census, the proportion of the California p…

Based on the 2000 Census, the proportion of the California population aged 15 years old or older who are married is 

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The following is an example of which kind of aphasia?       …

The following is an example of which kind of aphasia?                                         “Tell me Mr. Jones, what do you use when you eat a bowl of cereal?” “It’s a long thing, uh – you eat with it, it’s round on the end, it’s a .. you eat…

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Define/explain: Electroconvulsive Therapy Positive vs. nega…

Define/explain: Electroconvulsive Therapy Positive vs. negative symptoms Brodmann Area 25

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A result is called statistically significant whenever…

A result is called statistically significant whenever…

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Management of an airline uses a normal distribution to model…

Management of an airline uses a normal distribution to model the value claimed for a lost piece of luggage on domestic flights.  The mean of the distribution is $600 and the standard deviation is $85.  Suppose a random sample of 65 pieces of luggage is to be selected.   a.   What is the expected value of the average claimed value of the 65 pieces of lost luggage? [mean]   b.   What is the standard deviation of the sampling distribution of the sample mean claimed value of the 65 pieces of lost luggage? [st.dev.]   c.   What is the approximate probability that the average claimed value of the 65 pieces is over $625? [probability]

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The following histogram shows the distribution of the differ…

The following histogram shows the distribution of the difference between the actual and “ideal” weights for 119 female college students.  Notice that percent is given on the vertical axis.  Ideal weights are responses to the question “What is your ideal weight?”  The difference = actual – ideal.   Question: Most of the women in this sample felt that their actual weight was…

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Name three (3) predominant functions of each hemisphere.

Name three (3) predominant functions of each hemisphere.

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Which statistic is not resistant to an outlier in the data?

Which statistic is not resistant to an outlier in the data?

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A study on the use of seat belts versus belted booster seats…

A study on the use of seat belts versus belted booster seats for children ages 4 and 5 reported that “Using seat belts instead of booster seats was associated with increased risk for serious injury in an accident; the relative risk was 2.4.”  Based on this, it can be concluded that for this study:

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