
Measures of center and variation - review
Presentation
•
Mathematics
•
6th - 7th Grade
•
Medium
+1
Standards-aligned
Nicole Cole
Used 6+ times
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10 Slides • 14 Questions
1
Measures of center and variation (Medidas de centro y variación)
By Ms. Cole
2
The measures of center is a value that attempts to describe a set of data by identifying the central position of the data set
(Las medidas del centro es un valor que intenta describir un conjunto de datos mediante la identificación de la posición central del conjunto de datos)
Some text here about the topic of discussion.
Measures of Center
(Medidas de Centro)
3
Mean (Medio)
The average of the data (el promedio de los datos)
To find the average - find the sum of all of the data points and divide by the number of data points.
(Para encontrar el promedio, encuentre la suma de todos los puntos de datos y divídala por la cantidad de puntos de datos.)
Some text here about the topic of discussion
4
Suma todos los números
Divide la suma por el número de valores
Some text here about the topic of discussion.
Finding the mean -
(Encontrar el medio)
5
Multiple Choice
90, 100, 95, 85, 60, 80
6
Multiple Choice
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
7
Multiple Choice
What is the mean?
The number that occurs the most
The number in the middle
The difference between the highest and lowest values
The Average
8
The "middle" of a sorted list of numbers.
(El "medio" de una lista ordenada de números.)
Median (Mediana)
9
When the number of data points is odd:
The median is the middle value.
Some text here about the topic of discussion.
Finding the Median - (encontrando la mediana)
Cuando el número de puntos de datos es impar:
La mediana es el valor medio.
10
Multiple Choice
Find the median for the set of numbers:
85, 42, 64, 71, 39, 56, 26
71
42
56
60
11
Multiple Choice
Find the median for the set of numbers:
85, 42, 64, 71, 39, 56, 26
71
42
56
60
12
Multiple Choice
Find the median for the set of numbers:
85, 42, 64, 71, 39, 56, 26
71
42
56
60
13
Multiple Choice
Find the median for the set of numbers:
41, 13, 21, 83, 54, 37, 18, 66, 72
44
37
54
41
14
Multiple Choice
Find the median for the set of numbers:
60, 52, 11, 29, 46, 9, 33
39
33
29
46
15
When the number of data points is even.
1) put the data points in ascending order
2) find the 2 middle numbers
3) find the average of the two values to get the median.
Finding median continued:
(Encontrar la mediana continuación:)
Cuando el número de puntos de datos es par.
1) poner los puntos de datos en orden ascendente
2) encontrar los 2 números del medio
3) encuentre el promedio de los dos valores para obtener la mediana.
16
Multiple Choice
Find the median for the set of numbers:
23, 37, 11, 58, 13, 45
30
23
37
28
17
Multiple Choice
Find the median for the set of numbers:
53, 22, 76, 46, 68, 32, 15, 29
32
41
39
46
18
Multiple Choice
Find the median for the set of numbers:
17, 24, 8, 19, 6, 34, 10, 28, 48, 12
17
19
18
20
19
The number is the number that appears most often.
(El número es el número que aparece con más frecuencia.
Some text here about the topic of discussion.
Mode:
(Modo):
20
Multiple Choice
At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the MODE.
12,10,10,10,13,12,11,13,10
10
12
10 and 12
No Mode
21
Multiple Choice
22
Multiple Choice
4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9
What is the mode?
23
Summary (resumen)
Measures of Center: (medidas del centro)
Aims to provide an accurate description of the entire data in the distribution. There are 3 ways to describe data in this way - mean, median, mode.
(Tiene como objetivo proporcionar una descripción precisa de todos los datos en la distribución. Hay 3 formas de describir los datos de esta manera: media, mediana, moda.)
Some text here about the topic of discussion
24
Measures of center and variation (Medidas de centro y variación)
By Ms. Cole
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