ABPR1103: A psychologist studied the number of hours a worker sleeps at night and the number of errors made in a given task: Statistics for Psychology Assignment, OUM, Malaysia

School

Open University Malaysia (OUM)

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Assignment Type

Individual Assignment

Subject

ABPR1103: Statistics for Psychology

Uploaded by Malaysia Assignment Help

Date

03/13/2023

A psychologist studied the number of hours a worker sleeps at night and the number of errors made in a given task the following morning. Table 1 shows the results for the twenty people who were studied. It was also discovered that the average number of errors made by a normal person is 5.6.

Based on Table 1 above:

Illustrate the two variables given (separately) by means of a pictorial representation and comment on it.
Calculate its measures of central tendency and measures of dispersion.
State the main three measures of central tendencies and give appropriate examples to explain their advantages and disadvantages.
Build a hypothesis that should use a t-test analysis using the five steps of hypothesis testing. Learners must complete steps 1-5 of hypothesis testing and show calculations made. Report the results as a research article would. Topic 7 t-test
Calculate the correlation coefficient, r, and interpret the value.

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