central tendency
what are the 3 measures of central tendencies
what is mean,median,mode
what is a statistic
a fact or piece of data from a study of a large quantity of numerical data.
name 2 different types of graphs?
2 of bar,pie,histogram,line,scatter plot,box plot
what is probablility?
what is the likelihood or chance of something happening.
what is mean
what is the average of a set of numbers
what is a sample
a smaller, manageable group selected from a larger population, used to gain information or make inferences about the entire population
what graph is best for comparing data?
what is a bar graph/chart
what is probability used for in real life? name one
weather forecasting, sports, business, stocks and investments, medical research, scientific studies,card games, computers, grocery stores, insurance, gambling,sales
what is median
the middle value of a sorted list of numbers
when it's impractical or impossible to examine an entire population due to factors like cost, time, or resource constraints
what graph is best for percentages?
what is a pie chart
what is empirical probability?
what is the probability of an event based on the results of an actual experiment conducted several times
what is mode
the value that appears most frequently in a set of data
what is random sampling
every member of a population has an equal chance of being selected for a sample
what graph is best for frequency distribution?
what is a histogram
what is subjective probability?
what is a personal estimate of the likelihood of an event based on intuition, belief, or experience.
what are the steps to finding mean?
adding the numbers and divide by the amount of numbers present
what are the 5 types of sampling
Random, Systematic, Convenience, Cluster, and Stratified.
best graph to show trends over time?
what is a line graph
what are the 3 main types of probablility?
what are theoretical, empirical, and subjective.