Statistics

Given the following frequency distribution:What is the cumulative frequency of score 18?

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We call a normal curve __________ because folding it at the center creates two identical halves.

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The terms bar graph and __________ are often used interchangeably though the latter has its bars ...

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Rates compare the number of _______ cases to the number of potential cases.

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A proportion compares the _______ of a variable to the total number of cases.

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A positively skewed distribution has its tail on the __________.

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A platykurtic distribution tends to be very __________.

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A percentage is based on a scale of _______.

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A cross-tabulation generally compares the outcomes of at least _______ variables at the same time.

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A __________ skewed distribution has its tail on the left.

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__________variables cannot logically be presented in a grouped frequency distribution.

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__________ scores on one side of a distribution will cause skewness.

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Nominal variables cannot logically be presented in a grouped frequency distribution.

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Cumulative frequencies can only be used with variables measured at the ordinal or interval levels.

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Class intervals are always equal in size.

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A positively skewed distribution has extreme scores on the left.

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Which of the following is not a commonly used form of graphic representation?

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When organizing a frequency table for a variable measured at the ordinal level:

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When organizing a frequency table for a variable measured at the nominal level:

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When constructing class intervals, it is important to take into consideration:

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What is the midpoint of the class interval 80-89?

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The cumulative percentage is defined as the:

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The cumulative frequency is defined as the:

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The categories of __________-level distributions do not have to be listed in any particular order

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The __________ and the _________ are two of the most popular and useful methods of standardizing for ...

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