Vocab
Graphs
100
a quantity that can change, taking on different values
(un cantidad que puede cambiar, adquiriendo diferentes valores)
Variable
100
The graph below shows student's favorite sport in school. How many people listed chess as their favorite sport? What about football?
4 people said chess was their favorite sport and 20 people said football was their favorite sport
200
A variable is quantitative when its values are numbers
(una variable es cuantitativa cuando sus valores son números)
Quantitative
(Cuantitativo)
200
How many students listed Math as their favorite subject? What about PE?
5 people listed math as their favorite subject and 9 people listed PE
300
A variable is qualitative when its values are not number
(una variable es cualitativo cuando sus valores no son números)
Qualitative
(Cualitativo)
300
This graph shows the number of trees in a park and their corresponding heights (m). How many trees are approximately 550 meters tall? What about 850 meters?
4 trees are approximately 550 meters tall and 2 trees are approximately 850 meters tall
400
The group of all the elements that we study
(El grupo de todos los elementos que estudiamos)
Population
(Población)
400
This graph shows the number of students in public, private, and charter schools in 2009 and 2019. Did more students go to private schools in 2009 or 2019? What about public schools?
More kids went to private school in 2019 and more students went to public school in 2009
500
Each number from a population
(Cada número de una población)
Individual
500
This graph shows how many brothers and sisters students have in a class.
How many students have 10 siblings? what bout 4?
1 student has 10 siblings and 4 students have 4 siblings
600
A small group of the population that we choose to participate in the statistical analysis
(Un grupo pequeño de la población que elegimos para participar en el analisis estadístico)
Sample
(Muestra)
600
Did more students fail during the first term or the third?
What about G?
More students failed in the 1st term
More students had a 'G" grade in the 3rd term
700
To calculate or add up
(Para calcular o sumar)
To Tally
(Contar)
800
we call frequency of a value to the number of individuals that take a value of the variable
(Llamamos frecuencia de un valor al número de individuos que toman un valor de la variable)
Frequency
(Frecuencia)
900
How often something happens divided by all outcomes
(La frecuencia con la que sucede algo dividida por todos los resultados)
Relative Frequency
(Frecuencia relativa)
1000
The data point that appears most frequently
(El punto de datos que aparece con más frequencia)
Mode
(Modo)