Respuesta :
Answer: the answer is 2.67
Step-by-step explanation: Noah and Gabriel have taken 6 quizzes in English class so far. There are no outliers in their quiz scores. Find the measure of variability for Noah’s scores.
Noah’s scores: 84, 85, 85, 86, 90, 92
Mean: 87
Range: 92 – 84 = 8
Gabriel’s scores: 82, 85, 86, 86, 90, 94
Mean: 87.17
Range: 94 – 82 = 12
MAD: 3.22
What is Noah’s mean absolute deviation?
2.67
1.) For Noah the mean, median and mode are 87, 85.5 and 85 respectively.
2.) For Gabriel the mean, median and mode are 87.17 ,129, and 86 respectively.
What is mean median and mode?
Mean is the average of the number of the data sets so it is the ratio of the sum of the total data sets to the number of the data sets.
Median is defined the middle most value of the given number of the data sets.
Mode is defined as the number of the repeated data sets in the given numbers.
Now for Noah given data is
84, 85, 85, 86, 90, 92
[tex]\rm Mean =\dfrac{Sum \ of all \ data}{Number}[/tex]
[tex]\rm Mean =\dfrac{ 522}{6}=87[/tex]
[tex]\rm Median=\dfrac{85+86}{2}}=85.5[/tex]
[tex]\rm Mode =85[/tex]
Now for Gabriel the given data is
82, 85, 86, 86, 90, 94
[tex]\rm Mean =\dfrac{Sum \ of all \ data}{Number}[/tex]
[tex]\rm Mean =\dfrac{ 523}{6}=87.17[/tex]
[tex]\rm Median=\dfrac{86+86}{2}=129[/tex]
[tex]\rm Mode=86[/tex]
Hence For Noah the mean, median and mode are 87, 85.5 and 85 respectively. For Gabriel the mean, median and mode are 87.17 ,129, and 86 respectively.
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