Use Of Daverage
This is the Database range.
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Product
|
Wattage
|
Life Hours
|
Brand
|
Unit Cost
|
Box Quantity
|
Boxes In Stock
|
Value Of Stock
|
Bulb
|
200
|
3000
|
Horizon
|
£4.50
|
4
|
3
|
£54.00
|
Neon
|
100
|
2000
|
Horizon
|
£2.00
|
15
|
2
|
£60.00
|
Spot
|
60
|
£0.00
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Other
|
10
|
8000
|
Sunbeam
|
£0.80
|
25
|
6
|
£120.00
|
Bulb
|
80
|
1000
|
Horizon
|
£0.20
|
40
|
3
|
£24.00
|
Spot
|
100
|
unknown
|
Horizon
|
£1.25
|
10
|
4
|
£50.00
|
Spot
|
200
|
3000
|
Horizon
|
£2.50
|
15
|
0
|
£0.00
|
Other
|
25
|
unknown
|
Sunbeam
|
£0.50
|
10
|
3
|
£15.00
|
Bulb
|
200
|
3000
|
Sunbeam
|
£5.00
|
3
|
2
|
£30.00
|
Neon
|
100
|
2000
|
Sunbeam
|
£1.80
|
20
|
5
|
£180.00
|
Bulb
|
100
|
unknown
|
Sunbeam
|
£0.25
|
10
|
5
|
£12.50
|
Bulb
|
10
|
800
|
Horizon
|
£0.20
|
25
|
2
|
£10.00
|
Bulb
|
60
|
1000
|
Sunbeam
|
£0.15
|
25
|
0
|
£0.00
|
Bulb
|
80
|
1000
|
Sunbeam
|
£0.20
|
30
|
2
|
£12.00
|
Bulb
|
100
|
2000
|
Horizon
|
£0.80
|
10
|
5
|
£40.00
|
Bulb
|
40
|
1000
|
Horizon
|
£0.10
|
20
|
5
|
£10.00
|
To calculate the Average cost of a particular Brand of bulb.
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Brand
|
These two cells are the Criteria range.
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Type the brand name :
|
sunbeam
| ||||||
The Average cost of sunbeam is :
|
£1.24
|
=DAVERAGE(B3:I19,F3,E23:E24)
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What Does It Do ?
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This function examines a list of information and produces and average.
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Syntax
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=DAVERAGE(DatabaseRange,FieldName,CriteriaRange)
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The DatabaseRange is the entire list of information you need to examine, including the
| |||||||
field names at the top of the columns.
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The FieldName is the name, or cell, of the values to be averaged, such as "Unit Cost" or F3.
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The CriteriaRange is made up of two types of information.
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The first set of information is the name, or names, of the Fields(s) to be used as the basis
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for selecting the records, such as the category Brand or Wattage.
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The second set of information is the actual record, or records, which are to be selected, such
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as Horizon as a brand name, or 100 as the wattage.
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Formatting
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No special formatting is needed.
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Examples
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The average Unit Cost of a particular Product of a particular Brand.
| |||||||
Product
|
Brand
| ||||||
Bulb
|
Horizon
| ||||||
The average of Horizon Bulb is :
|
£1.16
|
=DAVERAGE(B3:I19,F3,E49:F50)
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This is the same calculation but using the actual name "Unit Cost" instead of the cell address.
| |||||||
£1.16
|
=DAVERAGE(B3:I19,"Unit Cost",E49:F50)
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The average Unit Cost of a Bulb equal to a particular Wattage.
| |||||||
Product
|
Wattage
| ||||||
Bulb
|
100
| ||||||
Average of Bulb 100 is :
|
£0.53
|
=DAVERAGE(B3:I19,"Unit Cost",E60:F61)
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The average Unit Cost of a Bulb less then a particular Wattage.
| |||||||
Product
|
Wattage
| ||||||
Bulb
|
<100
| ||||||
Average of Bulb <100 is :
|
£0.17
|
=DAVERAGE(B3:I19,"Unit Cost",E67:F68)
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