MATH 110 Terms Module 2- Exam Solution Manual Fully Solved Graded A+
frequency distribution - Answers a tabular representation of the summary data that shows the
numerical count of items in each class in the data set
relative frequency - Answers proportion/fraction of items in each category
relative percentage - Answers proportion of items in each category given as a percentage of the whole
three types of charts discussed for qualitative data descriptive statistics - Answers column chart
bar chart
pie chart
crosstabulation - Answers a tabular summary for two variables, which can be either quantitative,
categorical, or a mix
scatter diagram - Answers a graphical display of the relationship between two quantitative variables
central tendency - Answers the typical or average value of a data set, including mean, median, and
mode
mean - Answers average, sample or population
median - Answers value in the middle when arranged in ascending order
mode - Answers the value that occurs with the highest frequency in a data set
percentile - Answers provides information about how the data is spread over the interval from the
smallest to largest value
Q1 - Answers 25th percentile
Q2 - Answers 50th percentile
Q3 - Answers 75th percentile
range - Answers highest value - lowest value
interquartile range (IQR) - Answers difference between Q3 and Q1 (middle 50 percentile of data)
variance - Answers average of squared deviations between each data value and the mean
standard deviation - Answers positive square root of the variance
coefficient of variation - Answers measure to determine how large the standard deviation is compared
to the mean (st dev / mean * 100%)
frequency distribution - Answers a tabular representation of the summary data that shows the
numerical count of items in each class in the data set
relative frequency - Answers proportion/fraction of items in each category
relative percentage - Answers proportion of items in each category given as a percentage of the whole
three types of charts discussed for qualitative data descriptive statistics - Answers column chart
bar chart
pie chart
crosstabulation - Answers a tabular summary for two variables, which can be either quantitative,
categorical, or a mix
scatter diagram - Answers a graphical display of the relationship between two quantitative variables
central tendency - Answers the typical or average value of a data set, including mean, median, and
mode
mean - Answers average, sample or population
median - Answers value in the middle when arranged in ascending order
mode - Answers the value that occurs with the highest frequency in a data set
percentile - Answers provides information about how the data is spread over the interval from the
smallest to largest value
Q1 - Answers 25th percentile
Q2 - Answers 50th percentile
Q3 - Answers 75th percentile
range - Answers highest value - lowest value
interquartile range (IQR) - Answers difference between Q3 and Q1 (middle 50 percentile of data)
variance - Answers average of squared deviations between each data value and the mean
standard deviation - Answers positive square root of the variance
coefficient of variation - Answers measure to determine how large the standard deviation is compared
to the mean (st dev / mean * 100%)
