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Data Interpretation Practice Test 5

Directions (12 and 13): The following bar diagram shows the number of families of a certain locality with various number of letters received by those families in a certain month, as shown in a survey by the local post office. Read the graph and answer the questions below.

Question : 13

Total: 80

The average number of letters received per family in that month is:

31
3
7
3
2
2
10
17

Validate

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Number‌of‌Families	Number‌of‌Letters	Total‌Letters
75	0	0
35	1	35
110	2	220
60	3	180
30	4	120
15	5	75
5	6	30
Total=330	21	660