Is this an example of a parameter or statistic? What is the notation?Average number of tv sets per household in Texas, using data from a sample of 1000 households.
What is the notation being described?Correlation between age and heart rate for patients admitted to an ICU. Data from the 200 patients included in the file gives a correlation of 0.037.
What is the notation being described?Correlation between points and penalty minutes for all 26 regular players (20 games played) on the 2018 Ottawa NHL hockey team
Is this an example of a parameter or statistic? What is the notation? Average household income for all houses in the US, using data from the US Census.
Statistic
What is the notation being described?Proportion of families in the US who were homeless in 2010. The number of homeless families in 2010 was about 170,000 while the total number of families is given in the 2010 Census as 78 million.
What is the notation being described?Mean number of cell phone calls made or received per day by cell phone users. In a survey of 1917 cell phone users, the mean was 13.10 phone calls a day
What is the notation being described?Proportion of US adults who own a cell phone. In a survey of 1502 US adults in 2019, 98% said they had a cell phone.
What is notation being described? Average enrollment in schools in Illinois. In 2014, there were 148 schools in the state of Illinois and the total number of students attending the schools was 59,388.
Parameter
p (proportion parameter)
Parameter, mu
Statistic, x-bar
p (correlation p for parameter)
A number that is computed from the data in a sample is called?
A number that describes some aspect of a population is called?
r
