What is another word of association?
Correlation
What is the total of people who want white bread?
598
At the beginning of the day, how many customers did the restaurant have?
50
How many freshman are participating in the fundraiser?
272 freshman
What is another word for trend line?
Line of Best Fit
What kind of association is this scatter plot?
Positive Linear Association
What are the totals for yes and no?
Yes: 310
No: 178
If the bill is $28, how many gallons is used?
9000
How many people prefer a potluck lunch?
36
What type of tables are used for relative frequency?
Two-Way Tables
Describe the association of this scatter plot in context.
There is no association. The time of day does not affect the number of birds.
Complete the two way table.
How much does the Pizza store make after 30 pizzas?
$195
How many people prefer a catered dinner?
72
What are the three different types of association?
Positive, Negative, No
What kind of association is this situation?
Temperature and amount of clothes a person wears
Negative
Find the relative frequency of white bread with ham. Round to 1 decimal place.
24.4%
What is the line of best fit? Round all coefficients to 1 decimal place.
y= 12.4x+31.6
How many students play sports? How many students do not play instrument?
Sports: 118
No Instrument: 147
How did do you find the relative frequency?
part / total * 100
What kind of association? Explain.
A baby's weight and age.
Positive
As age increases, the weight also increase.
What is the relative frequency of students that are female who did not attend the dance? Round to nearest tenth.
21.4%
Using the line of best fit (round everything to 1 decimal place), predict the how much minutes does a player have to play in order to get 2000 points.
y=.8x+1544.2, x=2000
.8(2000)+1544.2= 3144.2
How many students play a sport and instrument, what is the relative frequency of students that play a sport and instrument? Round to 1 decimal place.
64 Students
22.4%
What are the steps to find the line of best fit on the TI-84 calculator?
STAT, ENTER, L1 = x, L2 = y
STAT, RIGHT, 4, ENTER X5