# Chapter 19 M303 Final Exam

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1. Data Analysis:
Two Key Considerations
• ·
• Is the variable to be analyzed by itself
• or in relationship with other variables?

• ·
• What level of measurement was used?
2. ÊFrequency Analysis
• ÊA count of the number of cases that
• fall into each of the response categories
3. Interval estimates are a projection of the
range within which a population parameter will lie at a given level of
confidence based on a statistic obtained from a probabilistic sample

ÊThis probability is normally referred
to as the confidence level

ÊDrawing a probability sample allows for
the appropriate calculation of confidence intervals
Confidence Intervals for Proportions
4. A statement
about the value of a population
parameter developed for the
purpose of testing
Hypothesis
5. allows us to
calculate the probability of a particular result if the stated
hypothesis is actually accepted
statistical hypothesis test
6. ÊThe hypothesis that a
proposed result is not true for the population

ÊResearchers typically attempt to reject
the null hypothesis in favor of some alternative hypothesis
• Null
• Hypothesis (H0)
7. ÊThe hypothesis that a
proposed result is true for the population

ÊOften, we are interested in the
alternative hypothesis
• Alternative
• Hypothesis (HA)
 Author: Anonymous ID: 214559 Card Set: Chapter 19 M303 Final Exam Updated: 2013-04-20 01:38:52 Tags: Final chapter 19 Folders: Description: chapter 19 final exam Show Answers: