MRS300T - Chapter 13
Authored by Sfiso Mahlangu
Social Studies
University
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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Validity refers to consistency of a set of measurements of a measuring instrument.
TRUE
FALSE
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which descriptive statistics reflect the most probable or appropriate response to a question?
Mode
Median
Arithmetic mean
All of the above
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The following numbers represent body weight in kilograms of eleven students interviewed: 90, 87, 53, 72, 81, 102, 87, 61, 62, 76, 87.
Calculate the arithmetic mean of these numbers.
78
81
87
858
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The following numbers represent body weight in kilograms of eleven students interviewed: 90, 87, 53, 72, 81, 102, 87, 61, 62, 76, 87.
Calculate the median of these numbers.
78
81
87
858
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The following numbers represent body weight in kilograms of eleven students interviewed: 90, 87, 53, 72, 81, 102, 87, 61, 62, 76, 87.
Calculate the mode of these numbers.
78
81
87
858
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reliability refers to degree to which a construct measures what it was designed to measure.
TRUE
FALSE
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