1. Consider the following sample data: 5, 10, 7, 8, 9, 12, and 5
a. Find the value of the sample standard deviation. Round your answer to one decimal place.
2. Calculate the five-number summary of the given data.
353, 403, 35, 554, 4Z 23, 110, 99, 11, 415
Min =
Q1 =
Med =
Q3 =
Max =
Are there any outliers? Explain your answer thoroughly. Show all work.
3. The following frequency distribution analyzes the exam scores on a statistics test. The scores are listed below.
Complete the frequency table.
|
83
|
92
|
94
|
82
|
73
|
98
|
78
|
85
|
72
|
90 |
|
89
|
92
|
96
|
89
|
75
|
85
|
63
|
47
|
75
|
82
|
|
Scores
|
Number of
Students
I
|
Relative
Frequency
|
Cumulative
Frequency
|
Cumulative
Relative Frequency
|
|
47
|
- 57
|
|
|
|
|
|
58
|
- 68
|
|
|
|
|
|
69
|
- 79
|
|
|
|
|
|
80
|
- 90
|
|
|
|
|
|
91
|
- 101
|
|
|
|
|