50/50: Statistic verses Parameter
Are you... (box) plotting something?
Deviation
100
Of all of the varsity football players at H.D. Woodson 95% plan to go to college after graduation
Parameter because the team is a population
100
Find the Range and IQR
R= 8
IQR= 5
100
All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?
Set 3
200
100 random teachers were surveyed and 84% graded papers on the weekend
Statistic, because it is a sample of 100 teachers
200
What is the median number of eggs laid?
6
200
What does this symbol represent?
sigma
a) population standard deviation
b) variance
c) mean absolute deviation
d) sample standard deviation
a) population standard deviation
300
30,000 college freshmen were admitted to a University. After the first week, the University surveyed 1,000 and found that 81% were satisfied with their dorms.
Statistic because the University only surveyed a group of 1,000 students
300
What percentage laid more than 8 eggs?
25%
300
Based on the following calculator output, determine the sample standard deviation of the dataset, rounding to the nearest 100th if necessary.
9.12
400
The overall class quiz average was a 75%
Parameter because the class is a population.
400
What percentage laid at least 3 eggs?
75%
400
Given a variance of 64, what is the standard deviation?
8
500
In a recent survey of 1503 adults in the United States, 53% said they use both a landline and a cell phone
Statistic, because they are just selecting 1503 adults out of the whole US population
500
What is the IQR of 34, 3, 6, 45, 23, 16, 10, 31.
3, 6, 10, 16, 23, 31, 34, 45
32.5 - 8 = 24.5
500
For the following set of data, find the percentage of data within 1 population standard deviation of the mean, to the nearest percent.
57, 72, 70, 58, 58, 52, 56
