Neil scored 67 on his calculus class final and was devastated by his failing grade. His class distribution had a mean of 54 and a standard deviation of 7. Greg was quite proud of his score of 88 for his Spanish language class. His class distribution had a mean of 97 with a standard deviation of 6.a. Which student did better relative to their class? Student ID Group Gender PreVocab PreGrammar PostVocab PostGrammar1114151818111211191912131419181.19171612101318171212151918101.10171711110121819131113171412111219191511131418201712171420181822121318192012101413212101115152222141619192821112161533112131734113141918381211161640221116174121413181942217182020431111315142.2.1.2.

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Description: Neil scored 67 on his calculus class final and was devastated by his failing grade. His class distribution had a mean of 54 and a standard deviation of 7. Greg was quite proud of his score of 88 for his Spanish language class. His class distribution

Given information: The mean and standard deviation of Neil class are as follow: Mean (µ) = 54…

Answered: Neil scored 67 on his calculus class…

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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Neil scored 67 on his calculus class final and was devastated by his failing grade. His class distribution had a mean of 54 and a standard deviation of 7. Greg was quite proud of his score of 88 for his Spanish language class. His class distribution had a mean of 97 with a standard deviation of 6.

a. Which student did better relative to their class?

Student ID Group Gender PreVocab PreGrammar PostVocab PostGrammar
1
1
14
15
18
18
1
1
12
11
19
19
1
2
13
14
19
18
1.
1
9
17
16
1
2
10
13
18
17
1
2
12
15
19
18
10
1.
10
17
17
11
1
10
12
18
19
13
1
1
13
17
14
1
2
11
12
19
19
15
1
1
13
14
18
20
17
1
2
17
14
20
18
18
2
2
12
13
18
19
20
12
10
14
13
21
2
10
11
15
15
22
2
2
14
16
19
19
28
2
11
12
16
15
33
1
12
13
17
34
1
13
14
19
18
38
12
11
16
16
40
2
2
11
16
17
41
2
14
13
18
19
42
2
17
18
20
20
43
1
11
13
15
14
2.
2.
1.
2.

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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