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3 years ago

7

PLS HELP ME FIND THE MAD, MADIAN, RANGE AND IQR OF THIS DATA SET.

2 answers:

sweet-ann [11.9K]3 years ago

8 0

Answer:

The median is 6. The Mean Absolute Deviation is 1.88. The range is 10. I believe the IQR is 5.

Step-by-step explanation:

the median is just the number that falls in the center of a data set. The Mean Absolute Deviation is the distance of the data points from the mean. So, find the sum of the differences of each data point from the mean and divide it by the number of data points. Range is the difference between the smallest and largest values in a data set. The interquartile range is the middle of the data. it is a measure of how widely the middle half of the data is spread around the median.

My name is Ann [436]3 years ago

4 0

Answer:

the median is 6, range is 10, the iqr is 6 and the MAD is 1.9378698224852

Step-by-step explanation:

Range

10 - 0 = 10

IQR

median/2

6/2=3

6+3=9 6-3=3

9-3=6

Median

put numbers in ascending order

04445555555566678888899101010

find centre number

6

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3 years ago

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How to solve such time related questions?

The key concept for solving such questions is the relationship between speed, distance and time.

The relationship between them is Distance = Speed x Time

Given:-

Total time taken by girl to complete the trip = 15 minutes = $\frac{1}{4}$ hours

Speed while riding going = 6 miles per hour

Speed while coming back = 4 miles per hour

Total time taken by girl =

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Let x be distance from home to store

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Substituting in (1) we get

$\frac{1}{4} = \frac{x}{6} + \frac{x}{4}$

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Thus home is 0.6 miles away from the store

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