Statistics for People Who
Think They Hate Statistics
– Unit 1 Study Guide &
Exam Prep
Updated Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, statistics describes a set of tools and techniques that is used for describing, organizing, and
interpreting information or data.
descriptive statistics used to organize and describe the characteristics of a collection of data.
data set/data the collection of descriptive statistics.
inferential statistics used to make inferences from a smaller group of data to a possibly larger one.
average the one value that best represents an entire group of scores.
measures of central tendency another way of saying averages with three branches: mean, median, and mode.
mean and formula the most common type of average that is the sum of all the values in a group,
divided by the number of values in that group. X=EX/n
arithmetic mean the point about which the sum of the deviations is equal to zero.
median the midpoint in a set of scores.
percentile points used to define the percentage of cases equal to and below a certain point in a
distribution or a set of score.
skew significantly distort the result.
outliers extreme scores.
Think They Hate Statistics
– Unit 1 Study Guide &
Exam Prep
Updated Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, statistics describes a set of tools and techniques that is used for describing, organizing, and
interpreting information or data.
descriptive statistics used to organize and describe the characteristics of a collection of data.
data set/data the collection of descriptive statistics.
inferential statistics used to make inferences from a smaller group of data to a possibly larger one.
average the one value that best represents an entire group of scores.
measures of central tendency another way of saying averages with three branches: mean, median, and mode.
mean and formula the most common type of average that is the sum of all the values in a group,
divided by the number of values in that group. X=EX/n
arithmetic mean the point about which the sum of the deviations is equal to zero.
median the midpoint in a set of scores.
percentile points used to define the percentage of cases equal to and below a certain point in a
distribution or a set of score.
skew significantly distort the result.
outliers extreme scores.
