Exam 2: Frequency and Probability Distributions

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When the potential values for a qualitative or discrete variable are mutually exclusive and exhaustive,then the probabilities associated with the individual score values will represent a probability distribution with respect to that variable.

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The y-axis is called the____________________.

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Because frequency graphs can be misleading depending on how the abscissa and ordinate are formatted,behavioral scientists rarely use them.

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Frequency graphs typically plot the frequency of a score along the _____.

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In constructing a frequency table,it would be neither practical nor informative to list 100 different values,each with a frequency of 1.

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On a graph,the _____ refers to the Y-axis,while the _____ refers to the X-axis.

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Based on the Method of Presentation section of Chapter 2,the reason that a published manuscript does not typically report all types of frequency information is because

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A Bar graph is different then a frequency histogram since the ____________________.

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A graph can be misleading,depending how the abscissa and ordinate are formatted.

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For any given score,the cumulative frequency is the frequency associated with that score plus the sum of all frequencies below that score.

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Frequency distributions are used to _____

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If the range of scores in a distribution were equal to 48 and you placed the scores within ten groups,what interval size should be used?

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If you were studying the effects of gender differences on reaction times.Gender or male or female should be labeled on the_____. If you were studying the effects of gender differences on reaction times.Gender or male or female should be labeled on the_____.

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What is an outlier and why do they occur?

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Relative frequency indicates the probability of observing scores in the future.

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If you want to graph a variable that is qualitative in nature,then you should use ____.

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A normal curve or distribution is ____________________nature.

(Short Answer)
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Dr.Jones using the data above reported that 1 person out of his 100 subjects scored a perfect score of 25.This may be a _____.

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For any given score,the cumulative frequency is the frequency associated with that score plus the sum of:

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An outlier is

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