Part 1: You are given a mean of 51.36 and a standard deviation of 7.93. Convert the following observations into z-scores: A) 42.11 B) 50.03 C) 38.22 D) 43 E) 47.11

MATLAB: An Introduction with Applications
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Part 1: You are given a mean of 51.36 and a standard deviation of 7.93. Convert the following
observations into z-scores:
A) 42.11
B) 50.03
C) 38.22
D) 43
E) 47.11
Part 2: Using the standard normal table, answer the following:
A) What is the area of proportion beyond a z-score of –2.86?
B) What is the area of proportion between the mean and a z-score of .35?
C) What is the area of proportion between the mean and a z-score of –1.96?
D) What is the area of proportion beyond a z-score of 1.34?
Part 3: Using the mean and standard deviation given in “Part 1,” what proportion of children
had a score between the mean and 38.68?

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