Exam 1: The What and the Why of Statistics
Exam 1: The What and the Why of Statistics50 Questions
Exam 2: The Organization and Graphic Presentation of Data64 Questions
Exam 3: Measures of Central Tendency50 Questions
Exam 4: Measures of Variability50 Questions
Exam 5: The Normal Distribution50 Questions
Exam 6: Sampling and Sampling Distributions50 Questions
Exam 7: Estimation50 Questions
Exam 8: Testing Hypotheses50 Questions
Exam 9: Bivariate Tables50 Questions
Exam 10: The Chi-Square Test and Measures of Association50 Questions
Exam 11: Analysis of Variance50 Questions
Exam 12: Regression and Correlation50 Questions
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All hypotheses are derived from theories.
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Correct Answer:
False
The logic and procedures concerned with making predictions or inferences about a population from observation and analyses of a sample are said to be descriptive statistics.
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Correct Answer:
False
Imagine that you were interested in whether or not individuals had a high school education.Based on the below information,which level of measurement would you use?


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Nominal
Imagine you were interested in constructing a measure of education where education was measured in terms of high,medium,and low.Based on the below information,which level of measurement would you use?


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An organized and elaborate conceptual scheme that serves to explain how social attributes and events are patterned or related is called a
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SELECT ALL THAT APPLY.
-If the population of a study is taken to be all humans above 18 years old living in CA,then which of the following are samples of this population?
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Which of the following statements illustrates the cumulative property of levels of measurement?
(Multiple Choice)
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A(n)______ is a property of people or objects that can take two or more values.
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Identify the independent variable,the dependent variable,and the unit of analysis in the following hypothesis: On average,the annual household income of female-headed households is about 25% less than the annual household income of married couple households.
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Statistical procedure can be divided into two major categories: ______ statistics and ______ statistics.
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A research study examining gender composition in the work place is likely using ______ as the unit of analysis.
(Multiple Choice)
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The categories used in the 2010 General Social Survey for the variable highest educational degree include the following: less than high school,high school,junior college,college,graduate school.Identify the level of measurement for this variable.
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The number of children per family is an example of a ______ variable.
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Imagine that you are interested in studying the working habits of young adults.You hypothesize that persons first married in their twenties tend to work an average of 5 hours more per week than persons not first married in their twenties.You find a link between age at first marriage and hours worked per week.What three conditions must be satisfied in order for you to have established a causal connection?
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Suppose that a researcher is interested in knowing whether there is a difference in the age at first marriage between women and men.The researcher hypothesizes that women tend to marry earlier than men.Which variable would be the independent variable?
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The levels of social life on which social scientists focus are called
(Multiple Choice)
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The total set of individuals,objects,groups,or events in which the researcher is interested is defined as
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Procedures that help organize or describe data collected from a sample or a population are called
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Why is the average of the sample not equal to the average of the population as a whole?
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