Student b? could you send a full picture
Answer:
D. 0.34
Step-by-step explanation:
0.24²+0.31²=x² then you find the square root
The sample mean is the sum of the sample values divided by the number of them:
(7 +7 +10 +6 +9 +6 +8 +7.5 +8.5 +8)/10 = 77/10 = 7.7
The sample mean is 7.7.
