Classify the following graph as a cross-sectional study or a time-series study.Answer 2 PointsScoresAverage Homework Scores100T80-60+40-20+12 3 4Week5O Time-series studyO Cross-sectional study67

Answered: Points Scores 100 80 60 Average…

Math

Advanced Math

Points Scores 100 80 60 Average Homework Scores 40- 20+ 0 1 2 3 4 5 6 7 Week O Time-series study

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Classify the following graph as a cross-sectional study or a time-series study.
Answer 2 Points
Scores
Average Homework Scores
100T
80-
60+
40-
20+
1
2 3 4
Week
5
O Time-series study
O Cross-sectional study
6
7

Expert Solution

Step 1

Time-series study. Time series study: A type of data consisting of observations of a single subject at multiple intervals of time. It focuses on the exactly same variable according to time period. Cross sectional study: A type of data consisting of observations of many subjects at same point of time. It focuses on the several variables at the same point of time.

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