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Question
D7 From the given data.
Data - 4, 5, 6, 7, 8, 9, 10, 11, 12
Options
7
9
10
12
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Solution
10
Explanation:
Step 1: Write the data in order
The data is already arranged:
4, 5, 6, 7, 8, 9, 10, 11, 12
Number of observations (n) = 9
Step 2: Formula for D7
`D_k = (k(n + 1)^"th value")/10`
`D_7 = (7(9 + 1))/10 = 70/10 = 7^"th value"`
Step 3: Find the 7th value
The 7th value in the data set = 10
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