CHAPTER 1
What is the randomly- selected group of the population
What is Sample?
This type of graph displays the distribution of continuous data by grouping data points into bins or intervals.
What is a histogram?
A distribution with only one peak is called this.
What is unimodal?
The middle value when data is ordered from smallest to largest is...?
What is median?
This term is known as an unusually high or low value in a dataset.
What is an outlier?
This is the calculations or values from the population
What is Parameter
This chart is arranged in descending order and Bars do not touch
What is Pareto Chart?
This term describes a distribution that has no clear peak.
What is uniform?
This is the average of a dataset.
What is mean?
These boundaries are calculated to determine whether a value is an outlier.
What are the lower and upper fences/boundaries?
In this Sample, the population is divided into groups, and WHOLE groups are randomly selected
What is Cluster Sampling?
In a stem and leaf plot the rightmost digit represents the ...?
What is leaf?
A histogram is ____ if it has two clearly distinct modes.
What is bimodal?
This measure of central tendency is the most frequently occurring value in a dataset.
What is mode?
These are the five numbers represented in a boxplot.
What are the minimum, Q1, median, Q3, and maximum?
What type of variable is ZIP CODE?
Give the General and Specific Type
What is Categorical and Nominal Variable?
This chart allows you to compare two or more categories of data side by side for easy comparison.
What is a side-by-side bar chart
This type of skewness occurs when the tail of the distribution extends to the left.
What is left-skewed or negatively skewed?
Find the mean, median, and mode for the following data set.
40,99,83,83,28,63
What is mean=66 median =73 mode=83 ?
This term divides a data set up into hundredths
What is Percentiles?
The characteristics of individuals about which we collect information are called ?
What are Variables?
The total relative frequency always adds up to __?
What is 1?
A distribution with a longer tail on the right side is called this.
What is right-skewed or positively skewed?
A data set has a mean of 12 and a median of 9. Would you expect this data set to be skewed to the right, skewed to the left, or approximately symmetric?
What is Skewed Right?
Divide the data into quarters or four equal parts once ordered from smallest to largest.
What are Quartiles?