Definitions
Entities on which data is collected
What are Individuals
Data that use numeric values to indicate "how much" or "how many". It would make sense to calculate the mean for these values.
What is quantitative data
Min, Q1, Median, Q3, Max
What is the five number summary
The purpose of statistics is to prove specific outcomes
False
A chart of data showing the number of items in each of several non-overlapping classes
What is a frequency bar chart?
A characteristic of interest for the individuals
What is a variable
Data that can be grouped by specific categories
What is categorical data
This is thought of as the calculated average. You find it by adding up all the numbers and dividing by the number of numbers.
What is the mean
Every statistical method can be used regardless of what type of data measurement you have (quantitative or categorical)
False
A summary table showing the relative frequency for each class
What is a relative frequency table
All the facts and figures collected, analyzed and summarized for presentation and interpretation
What is data
This type of data, which describes non-numerical or ordered attributes of specific entities
What is qualitative data or what is categorical data
Q3- Q1
What is the inner quartile range
Statistical Inference is a process of making estimates and testing hypotheses about the characteristics of a population
True
A visual that shows the left most numbers with a bar separating the right most numbers that displays not only the values but shows the frequency
What is a Stem and Leaf Plot
The art and science of collecting, analyzing, presenting, and interpreting data
What is statistics
The number of credits taken by an individual at a college
What is Quantitative Data
Q1-1.5*IQR
What is the Lower Fence
The best measure of center is always the mean
FALSE ....why?
If a large amount of the data lies in one direction and has a long tail to the right, this data set is said to be
Positively Skewed or Skewed to the Right
A subset of the population
What is a sample
The major chosen by a student at a college
What is categorical data
A measure of the amount of variation of the values of a variable about its mean.
What is the standard deviation
The process of conducting a survey to collect data for the entire population is called a census.
True!
A chart that shows the frequency or relative frequency of data with bars, but there is only one variable represented on the x-axis and any gap between the bars indicates a 0 value.
What is a histogram