In: Statistics and Probability
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There are two groups, like Pizza and Fries on sleep hours.
Pizza Fries
4
5
5
9
4
6
7
4
Step 1: Find SS for Pizza.
Step 2: Find SS for Fries .
Step 3: Find the pooled variance.
Step 4: Find the estimated standard error.
Solution:
Step 1: Find SS for Pizza.
x1: Pizza | x12 |
---|---|
4 | 16 |
5 | 25 |
4 | 16 |
7 | 49 |
Step 2: Find SS for Fries .
x2: Fries | x22 |
---|---|
5 | 25 |
9 | 81 |
6 | 36 |
4 | 16 |
Step 3: Find the pooled variance.
Step 4: Find the estimated standard error.