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Total questions: 12
Worksheet time: 5mins
Determine the mean deviation of the data
9,7,11,10,8
.62
6.2
11.2
1.2
What is the first step when calculating the mean deviation
find the mean of the distance
find the mean of the data
find the distance each value is from the mean.
none of these
find the mean absolute deviation
10,9,3,8,10.
if mean =8.
3
5
1
2
find the full form -MAD
none of these
mean as dirt
mean absolute deviation
What is the Mean and Mean Absolute Deviation of 24, 13, 12, 1, and 0?
mean=10
mad=6.7
mean=7.6
mad=10
mean=10
mad=7.6
mean=6.7
mad=10
6. True or false? :The larger the Mean Absolute Deviation the more consistent the data is.
true
false
neither true nor false
Which is the correct Mean and Mean Absolute Deviation to the following numbers?
0, 0, 5, 6, 9 and 2
mean=3
mad=3.66
mean=4
mad=3.66
mean=3.66
mad=4
mean=3.66
mad=3
The Arithmetic mean of numerical values of the deviations of items from some average value is called
standard deviation
range
mean deviation
none of these
The list shows the number of coffee sold at a coffee shop each day for 5 days. what is the mean absolute deviation for the number of coffees sold?
19,18,17,13,18.
85
17
2.5
1.6
Clarence volunteered to stamp hands at the entrance of a museum 7 times this year. The number of visitors each time was:
2 visitors5 visitors6 visitors2 visitors4 visitors1 visitor8 visitors
What was the mean absolute deviation of the numbers of visitors?
If the answer is a decimal, round it to the nearest tenth.
mean absolute deviation (MAD): (a) visitors
Which one among the following is a merit of mean deviation
It cannot be used for sociological studies.
It is a fractional average.
It is a least sampling fluctuation
It is less reliable than coefficient of variation.
none of these
The absolute value of a number will always be positive.
true
false
neither true nor false
