Intermediate II Statistics (5-6 new curriculum)

Question 1

frequency

Answer 1

how many times a specific event occurs; the count of categorized responses to a question

a count of categorized data used to summarize data

usually represented with dot plots so you can count how many dots are in a certain category

can also represent using bar graphs, and stem-and-leaf plots

Question 2

mode

Answer 2

category with the highest frequency

Question 3

how can you collect data?

Answer 3

using closed-list (provides a list of possible answers to choose from) and open-ended questions (allow any response)

Question 4

relative frequency

Answer 4

expresses the frequency of a category of data as a fraction of the total number of data values

used to compare the same category of data across multiple data sets

can be represented in various forms

can be used to estimate the likelihood of an event and is a better estimate when large amounts of data are used

can be a decimal, fraction, or percentage