Sample vs Population
Mean, Median, Mode, and Range
Bell Curve/Standard Deviation
100
A school principal wants to see which subject the 1200 students in her school liked best. She chooses 200 students to ask.
What is the Population?
Population - 1200 Students in School
100
11, 12, 1, 3, 5, 9, 8, 11, 11, 12
What is the Mean?
Mean = 8.3
100
What is the Mean?
Mean = 70
200
A school principal wants to see which subject the 1200 students in her school liked best. She chooses 200 students to ask.
What is the sample?
Sample - 200 Students Asked
200
11, 12, 1, 3, 5, 9, 8, 11, 11, 12
What is the Mode?
Mode = 11
200
What is the Standard Deviation?
Standard Deviation = 4
300
A beverage company wanted to see if people in the United States liked their new logo. They ask 5,600 people in the United States.
What is the Population?
Population - People in United States
300
11, 12, 1, 3, 5, 9, 8, 11, 11, 12
What is the Median?
Median = 10
300
What Interval accounts for 68% of the data?
68% is
66 - 74
400
A beverage company wanted to see if people in the United States liked their new logo. They ask 5,600 people in the United States.
What is the sample?
Sample - 5,600 People Asked
400
11, 12, 1, 3, 5, 9, 8, 11, 11, 12
What is the Range?
Range = 11
400
What Interval accounts for 95% of the data?
95% is
62 - 78
500
The quality control manager at a bottling company selects a sample of 10 cans from the production line every hour to see if the volume of the soda is within acceptable limits.
What is the Population? What is the sample?
Population - All Bottles on Production Line
Sample - 10 Cans (every hour)
500
3, 5, 2, 4, 5, 4, 3, 2, 2, 5
What is the Mean, Median, Mode, and Range?
(Answer in that order)
Mean = 3.5
Median = 3.5
Range = 3
Mode = 2 and 5
500
What Interval accounts for 99.7% of the data?
99.7% is
58 - 82