The grades on a statistics mid-term for a high school are normally distributed, with μ = 81 and σ = 6.3. Calculate the z-scores in 2 decimal places for each of the following exam grades: 65z - score = Blank 1 83z - score = Blank 2 93z - score = Blank 3 100z - score = Blank 4 The grades on a statistics mid-term for a high school are normally distributed, with µ = 81 and o = 6.3. Calculate the z-scores in 2decimal places for each of the following exam grades:65z - score = Blank 183z - score = Blank 293z - score = Blank 3100Z - score = Blank 4

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The grades on a statistics mid-term for a high school are normally distributed, with μ = 81 and σ = 6.3. Calculate the z-scores in 2 decimal places for each of the following exam grades:

z - score = Blank 1

z - score = Blank 2

z - score = Blank 3

100

z - score = Blank 4

The grades on a statistics mid-term for a high school are normally distributed, with µ = 81 and o = 6.3. Calculate the z-scores in 2
decimal places for each of the following exam grades:
65
z - score = Blank 1
83
z - score = Blank 2
93
z - score = Blank 3
100
Z - score = Blank 4

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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