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**Psy302 Quantitative Methods**

Quiz Chapter Two

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**1. State the type of graphical display for Graph A and Graph B.**

A is a bar chart; B is a histogram. B is a bar chart; A is a histogram. Both graphs are bar charts. Both graphs are histograms.

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**Psy302 Quantitative Methods**

QUIZ CHAPTER TWO

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**1. State the type of graphical display for Graph A and Graph B.**

A is a bar chart; B is a histogram. B is a bar chart; A is a histogram. Both graphs are bar charts. Both graphs are histograms.

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2. Which of the following is a type of graphical display used to summarize qualitative, discrete data? bar chart pie chart histogram both A and B

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2. Which of the following is a type of graphical display used to summarize qualitative, discrete data? bar chart pie chart histogram both A and B

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3. A researcher records the number of children at a local school from single-, divorced-, and married-parent homes. This frequency data would be best displayed as a bar chart scatter plot histogram frequency polygon b & c

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3. A researcher records the number of children at a local school from single-, divorced-, and married-parent homes. This frequency data would be best displayed as a bar chart scatter plot histogram frequency polygon b & c

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**bar chart scatter plot histogram pie chart b & c**

4. A researcher measures the weight (in ounces) of newborn infants in the month of March. What type of graphical display would be most appropriate for summarizing the frequency of infants falling into different intervals of weight? bar chart scatter plot histogram pie chart b & c

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**bar chart scatter plot histogram pie chart b & c**

4. A researcher measures the weight (in ounces) of newborn infants in the month of March. What type of graphical display would be most appropriate for summarizing the frequency of infants falling into different intervals of weight? bar chart scatter plot histogram pie chart b & c

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**bar charts scatter plots histograms pie charts b & d**

5. Frequency polygons are don’t-and-line graphs used to summarize the same types of data as: bar charts scatter plots histograms pie charts b & d

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**bar charts scatter plots histograms pie charts b & d**

5. Frequency polygons are don’t-and-line graphs used to summarize the same types of data as: bar charts scatter plots histograms pie charts b & d

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**bar charts scatter plots histograms pie charts c & d**

6. _____ are used to summarize the relationships between two variables. bar charts scatter plots histograms pie charts c & d

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**7. The chart on the right is an example of a(n):**

bar chart scatter plot histogram pie chart ogive

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**7. The chart on the right is an example of a(n):**

bar chart scatter plot histogram pie chart ogive

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**8. Histograms are constructed by placing the ___ along the horizontal of x axis.**

intervals frequencies raw data counts all of the above

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**8. Histograms are constructed by placing the ___ along the horizontal of x axis.**

intervals frequencies raw data counts all of the above

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**9. Ogives are dot-and-line graphs used to summarize:**

categorical data nominal data cumulative percents qualitative data all of the above

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**9. Ogives are dot-and-line graphs used to summarize:**

categorical data nominal data cumulative percents qualitative data all of the above

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**10. ______ summarize how often scores occur in a data set.**

frequency distributions null hypotheses sums of squares parameters scales of measurement

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**10. ______ summarize how often scores occur in a data set.**

frequency distributions null hypotheses sums of squares parameters scales of measurement

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