2. Select a sample of size seven of variable B (GPA) from data (see inserted data) by taking every third individual beginning with student number 3. What sampling method was employed here? Is the sample drawn random or not? How many sample do you have? From your set of sample, how many male and female? Do you see a possible source of bias in taking the sample in this way?
2. Select a sample of size seven of variable B (GPA) from data (see inserted data) by taking every third individual beginning with student number 3. What sampling method was employed here? Is the sample drawn random or not? How many sample do you have? From your set of sample, how many male and female? Do you see a possible source of bias in taking the sample in this way?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 3CST
Related questions
Question
Answer number 2 using the data on the second picture.
Transcribed Image Text:2. Select a sample of size seven of variable B (GPA) from data (see inserted data) by taking
every third individual beginning with student number 3. What sampling method was
employed here? Is the sample drawn random or not? How many sample do you have?
From your set of sample, how many male and female? Do you see a possible source of
bias in taking the sample in this way?
Transcribed Image Text:Data for question #2
Student
Variable
A
1
1
1.83
2
1
1.94
3
2
2.86
4
2.5
5
1
2.97
6.
1
3.11
7
1
2.39
8.
2.75
9.
2
1.16
10
3.75
11
2.42
12
2.66
13
1
3.50
14
1.46
15
1
3.01
16
2.50
17
1.34
18
1
2.29
19
3.60
20
2.21
21
1
3.0
22
1
2.75
23
1
1.09
24
1
2.72
25
2
3.40
26
3.25
27
1
4.0
28
1
2.0
29
1
3.10
30
1
2.90
Legend:
Variable A : Gender
1= Male
2 = Female
Variable B: GPA (Grade Point Average)
NN- 22
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