Each entry in a table is called what?
Joint frequency
What are the marginal frequencies in this two-way table?
780, 568, 600, 750, 1350
What type of frequency are the bottom arrows pointing to?
Joint Frequency
How many freshman are participating in the fundraiser?
272 freshman
The sums of the rows and columns in a two-way table are called what?
Marginal Frequencies
What are the two categories for this two way table?
Class and if they are participating in the fundraiser
Where would the marginal frequencies go in this two-way table?
Gray boxes
Give that a student is a junior, what is the conditional relative frequency that they are considering majoring in a medical field?
.55 or 55%
Which frequency is the ratio of a joint frequency to the total number of values?
Joint relative frequency
Complete the two way table.
Ms. Goodfellow will check your work :)
The total number of values
How many people prefer a catered dinner?
72
What are the sums of the joint relative frequencies in a row or column?
Marginal relative frequencies
Find the joint and marginal relative frequencies.
Ms. Goodfellow will check your work :)
When finding joint relative and marginal relative frequencies, what number is in the bottom right hand corner?
100% or 1
Given the conditional relative frequencies, is there an association between eating veggies daily and exercising daily?
Yes, people who eat veggies daily are more likely to exercise daily when compared to those who don't eat veggies.
Ms. Goodfellow will check your work :)
The conditional relative frequency is a ratio between what two frequencies?
Given these joint relative and marginal relative frequencies, find the conditional relative frequencies based on column totals.
What type of frequency do we use to find if there is an association between data?
Conditional relative frequencies (based on column totals)
Interpret each marginal frequency.
139 students play an instrument
147 students do not play an instrument
118 students play a sport
168 students do not play a sport
286 students were surveyed
Ms. Goodfellow will check your work :)