CEFS 521 Quiz 2
Question 1
1.5 out of 1.5 points
The teacher grades the papers and determines the following set of
scores: 90, 85, 87, 85, 92, 90, 83, 85, 98
What is the mode?
Selected Answer: 85
Question 2
1.5 out of 1.5 points
A researcher is looking for a specific study report, in which he knows
the kurtosis value. He reads the following kurtosis value in various
reports. Which one supports a mesokurtic distribution?
Selected Answer: 0
Question 3
0 out of 1.5 points
If the researcher knows that the mean is 60 and the standard deviation
is 6, then the majority of the scores falling between +1 or -1 standard
, deviation of the mean fall between:
Selected Answer: 54 and 60
Question 4
1.5 out of 1.5 points
A teacher reports that the class scores are generally distributed
according to a bell curve. This means:
Selected 100% of the scores fall between -3 and +3 standard
Answer: deviations from the mean
Question 5
1.5 out of 1.5 points
A teacher analyzes the scores from a recent test and determines a
positively skewed curve. She infers that the majority of students knew:
Selected Answer: only a few of the answers due to low scores
Question 6
0 out of 1.5 points
In studying the correlation between the number of hours studied and
scores on the comprehensive exam, the researcher found a correlation
Question 1
1.5 out of 1.5 points
The teacher grades the papers and determines the following set of
scores: 90, 85, 87, 85, 92, 90, 83, 85, 98
What is the mode?
Selected Answer: 85
Question 2
1.5 out of 1.5 points
A researcher is looking for a specific study report, in which he knows
the kurtosis value. He reads the following kurtosis value in various
reports. Which one supports a mesokurtic distribution?
Selected Answer: 0
Question 3
0 out of 1.5 points
If the researcher knows that the mean is 60 and the standard deviation
is 6, then the majority of the scores falling between +1 or -1 standard
, deviation of the mean fall between:
Selected Answer: 54 and 60
Question 4
1.5 out of 1.5 points
A teacher reports that the class scores are generally distributed
according to a bell curve. This means:
Selected 100% of the scores fall between -3 and +3 standard
Answer: deviations from the mean
Question 5
1.5 out of 1.5 points
A teacher analyzes the scores from a recent test and determines a
positively skewed curve. She infers that the majority of students knew:
Selected Answer: only a few of the answers due to low scores
Question 6
0 out of 1.5 points
In studying the correlation between the number of hours studied and
scores on the comprehensive exam, the researcher found a correlation