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Edr Week 4 Assignment Rev

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Week 4 Assignment 4: Examine the Normal Curve and Calculate
Standard Scores (10 Points)
The goal of this assignment is to explore the concepts related to the normal
curve and standard scores. Furthermore, another goal is for you to explore
the various tools for data analysis in the SPSS software. These tools include
the compute and standardize scores functions. You will find the steps in the
assignment instructions to use these tools.
The following table contains data from four science assignments.
Student
A1
A2
A3
A4
1
97
28
89
9
2
94
86
80
39
3
95
80
82
10
4
97
39
83
14
5
96
60
87
38
6
95
42
84
34
7
94
38
85
31
8
95
60
85
21
9
98
62
84
12
10
96
51
83
20
11
96
53
86
38
12
98
32
85
27
Part I:
Please enter the following data in SPSS and perform the necessary analyses
in SPSS to answer the following questions.

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1. Open the file in SPSS. Then, calculate descriptive statistics (central
tendency and variability) for each of the assignment scores.
2. What level of measurement do the data represent (i.e., nominal,
ordinal, interval, ratio)?
3. What is the mean and standard deviation for each assignment score?
4. What is the median for each assignment score?
5. What is the mode for each assignment score?
6. What is the range for each assignment score?
Answer:
1. The descriptive statistics for each of the assignment scores are shown
below:
Statistics
A2
A3
A4
N
Valid
12
12
12
Missing
0
0
0
Mean
52.58
84.42
24.42
Std. Error of
Mean
5.227
.679
3.329
Median
52.00
84.50
24.00
Mode
60
85
38
Std. Deviation
18.108
2.353
11.532
Variance
327.90
2
5.538
132.99
2
Skewness
.536
.100
-.038
Std. Error of
Skewness
.637
.637
.637
Kurtosis
-.424
.669
-1.722
Std. Error of
Kurtosis
1.232
1.232
1.232
Range
58
9
30
Minimum
28
80
9
Maximum
86
89
39

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Week 4 – Assignment 4: Examine the Normal Curve and Calculate Standard Scores (10 Points) The goal of this assignment is to explore the concepts related to the normal curve and standard scores. Furthermore, another goal is for you to explore the various tools for data analysis in the SPSS software. These tools include the compute and standardize scores functions. You will find the steps in the assignment instructions to use these tools. The following table contains data from four science assignments. Student A1 A2 A3 A4 1 97 28 89 9 2 94 86 80 39 3 95 80 82 10 4 97 39 83 14 5 96 60 87 38 6 95 42 84 34 7 94 38 85 31 8 95 60 85 21 9 98 62 84 12 10 96 51 83 20 11 96 53 86 38 12 98 32 85 27 Part I: Please enter the following data in SPSS and perform the necessary analyses in SPSS to answer the following questions. 1. Open the file in SPSS. Then, calculate descriptive statistics (central tendency and variability) for each of the assignment scores. 2. What level of measurement do the data represent (i.e., nominal, ordinal, interval, ratio)? 3. What is the mean and standard deviation for each assignment score? 4. What is the median for each assignment score? 5. What is the mode for each assignment score? 6. What is the range for each assignment score? Answer: 1. The descriptive statistics for each of the assignment scores are shown below: N Valid Missing Mean Std. Error of Mean Median Mode Std. Deviation Varian ...
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