The average height of adult females is 64.4 inches, with a standard deviation of 2.3 inches and a normal distribution. Rayna is
67.1 inches tall. What is the standardized score for Rayna’s height?
A. -1.17
B. 1.17
C. -0.17
D. 0.17
E. Unable to determine the standardized score
2 answers:
The correct answer is B! I hope that helped. Enjoy the rest of you day :)
Answer:
B. 1.17
Step-by-step explanation:
The z-score is:
z = (x − μ) / σ
z = (67.1 − 64.4) / 2.3
z = 1.17
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