Exam 81: Understanding Descriptive and Inferential Statistics for Psychological Research

Which of the following measures of central tendency is sensitive to extremely high or low scores in a distribution?

Josh is viewing a scatter diagram and notes that as measure X gets larger,measure Y gets smaller.Thus,this scatter diagram is depicting a

Which is NOT a measure of central tendency?

One problem with the mean is that it

Describe a frequency distribution,what it is used for,how it is constructed,and two ways that it can be shown graphically.

A correlation describes the

The three basic types of descriptive statistics are graphical statistics,measures of central tendency,and measures of variability.

Research has shown that characteristics such as height,memory span,and intelligence are

If you find the difference of each score from the mean of a set of data,square each difference,and then add these squared deviations,average them,and take the square root of this average,you will obtain the _______.

When chance events are recorded,we find that some outcomes have a high probability and occur very often,others have a lower probability and occur infrequently,still others have little probability and occur rarely.As a result,the distribution (or tally)of chance events typically resembles a

A bell-shaped distribution,with a large number of scores in the middle,tapering to very few extremely high and low scores is known as a

By subtracting the mean from the original score and dividing the resulting number by the standard deviation for that group of scores,you have converted this original score to a

If there is no relationship between two variables,then which type of correlation exists?

Which of the following is the largest number that a correlation coefficient can be?

Which of the following correlation coefficients indicates the weakest relationship?

Kayla wants to create an organized summary of the number of people interested in each of the fifteen new products her company has designed.She should construct a

One's shoe size and one's IQ score would be a

The range and standard deviation are measures of

The three basic types of descriptive statistics include measures of central tendency,measures of variability,and __________ statistics.

If your psychology test scores include 100,100,100,80,and 70,then the mean is 90.