Dima asked her seventh-period class how many times they attended a summer camp since first grade. She put her data in the table and used the shaded rows to find three sample means. What is the range of the values for the sample means?
Answers
Given : Dima asked her seventh-period class how many times they attended a summer camp since first grade . She put her data in the table and used the shaded rows to find three sample
To find : Range of the values for the sample means
Solution:
Missing Data (shaded rows has been bold)
3 1 0 4 1
4 2 3 0 5
0 1 1 2 0
4 1 4 4 2
3 2 0 1 4
Sample mean for 3 1 0 4 1
= (9/5) = 1.8
Sample mean for 4 2 3 0 5
= (14/5) = 2.8
Sample mean for 4 1 4 4 2
= (15/5) = 3
Range of Sample Mean = 3 - 1.8 = 1.2
range of the values for the sample means = 1.2
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