Statistics vs Parameter
a numerical summary of a population.
What is Parameter?
a count that involves integers (whole numbers)
What is Discrete?
1st place
2nd place
3rd place
Ordinal
GPA
Quanatative
This letter represents the numerical value of the population size in Systematic Equations
What is N?
A National Survey of 1600 HS students (9-12th) found that 23.3% of students preferred cats over dogs
Sample=Statistic
the amount of change in your pocket right now
Discrete
0 degrees Celsius
Interval
measures of values or counts and are expressed as numbers
Quantative
This letter represent a random number between 1 and k
What is P?
a numerical summary based on a sample.
Statistic
Time
what is continuous?
0 means an absence of quantity
Ratio
Student ID #
Qualitative
Solve for this letter using N/n
What is K?
Out of all students at WCC 99.9% pass Stat 1
Population=Parameter
height
what is continuous?
Year of Birth
Interval
When going to the doctors they take count of your height, weight, and temp. What kind of data are they collecting?
What is Quanatative?
If I have the following numbers, what would k equal?
N= 225
n=16
P=10th
k=?
k=14.0625, which would round down to 14
A interview of 100 students at WCC finds that 54% of students live in Woodland, 23% Davis, 20% Esparto, and 3% Winters.
What is Statistic?
I collect data on students Nation of Origin, these are their responses:
Mexico: 2
USA: 5
CAN: 1
Albania: 3
Nominal
I survey the class asking if they prefer salty, sweet, umami. I will use this data to separate them into groups. What kind of data is this?
What is Qualitative?
N=342
n=27
K=?
P=8th
8,___,_____,____,...P+(n-1)k
K=12.66=12
1. 20
2.32
3.44
4.320