Step 1 :Given the data items are 143, 147, 154, 156, 160.
Step 2 :To find the mean, we add all the data items and divide by the number of data items.
Step 3 :The mean is calculated as \( \frac{143 + 147 + 154 + 156 + 160}{5} = 152.0 \).
Step 4 :So, the mean is \(\boxed{152.0}\).