What type of sampling technique is used in the given situation ?The students were subdivided into 24 different categories according to major, classification, gender and national origin. A proportionate number from each group was sampled.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter12: Angle Relationships And Transformations
Section: Chapter Questions
Problem 3CP
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What type of sampling technique is used in the
given situation ?The students were subdivided
into 24 different categories according to major,
classification, gender and national origin. A
proportionate number from each group was
sampled.
Systematic
Stratified
O Random
O Cluster
Transcribed Image Text:What type of sampling technique is used in the given situation ?The students were subdivided into 24 different categories according to major, classification, gender and national origin. A proportionate number from each group was sampled. Systematic Stratified O Random O Cluster
The scores of Psychology students in their
GMath quiz are presented in stem-and-leaf
plot/diagram as shown below. Find the
midrange and sample variance. *
1 03
2 224
3 12333
4 11233356
5 3356
6 | 24
73
Midrange = 63; Var = 235.21
Midrange = 41.5; Var = 15.34
%3D
Midrange = 63; Var = 15.65
O Midrange = 41.5; Var = 245.01
Transcribed Image Text:The scores of Psychology students in their GMath quiz are presented in stem-and-leaf plot/diagram as shown below. Find the midrange and sample variance. * 1 03 2 224 3 12333 4 11233356 5 3356 6 | 24 73 Midrange = 63; Var = 235.21 Midrange = 41.5; Var = 15.34 %3D Midrange = 63; Var = 15.65 O Midrange = 41.5; Var = 245.01
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