Answer:
Option B) 9.1
Step-by-step explanation:
We are given the following in the question:
Average score = 490.4
Standard deviation = 63.7
Sample size, n = 49
Formula:
Putting values, we get,
Standard error =
Thus, the correct answer is
Option B) 9.1
Answer:
Step-by-step explanation:
From the given diagram, we can see that ∠MON and ∠LOM are supplementary angles.
*Supplementary angles are two angles whose measures add up to 180° *
m∠LOM+m∠MON=180°
Subtract 133 from both sides:
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