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PSY 340 -- Exam 1 Questions and
Answers (100% Pass)
_______ is a general name for the representative value of a group of scores.
✓ Central tendency
When a distribution is skewed to the right__________
✓ the mean is greater than the median.
The most common single number in a distribution of scores is the________
✓ Mode
Based on the scores 1, 2, 3, 4, 5, 6, 6, 8, 8, 8, 9, and 10, a score 8 is the______
✓ Mode
The _________ is approximately the average that a score differs from the
mean.
✓ Standard Deviation
The first step in figuring the variance is figuring each_________ (the difference
between the score and the mean).
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✓ deviation score
When calculating the variance in a population, you divide the sum of
squared deviations by _________
✓ N
The average of the squared deviations from the mean is called the______
✓ Variance
The median is greater than the mean in a distribution that is____________
✓ skewed to the left.
A measure of the typical or representative value that is not much affected by
outliers is the ________
✓ Mode and Median
The variance is the same as the ________
✓ average of the squared deviations.
The standard deviation is ______ of the variance(s)
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✓ the square root
Which of the following is NOT an advantage of Z scores?
✓ You can easily tell the shape of the scores' distribution
Which of the following would best describe the normal curve?
✓ Unimodal, roughly symmetrical, and bell-shaped.
A statistics professor discovers that the mean score and the mode score for
the latest class exam are the same. This would be possible for which of the
following distribution shapes?
✓ Normal
Blaise Pascal is mainly associated historically with _____
✓ probability theory
The _________ interpretation of probability is the understanding of probability
as the degree of one's certainty that a particular outcome will occur
✓ subjective
Master01 |Excellent Study Material| Latest update
PSY 340 -- Exam 1 Questions and
Answers (100% Pass)
_______ is a general name for the representative value of a group of scores.
✓ Central tendency
When a distribution is skewed to the right__________
✓ the mean is greater than the median.
The most common single number in a distribution of scores is the________
✓ Mode
Based on the scores 1, 2, 3, 4, 5, 6, 6, 8, 8, 8, 9, and 10, a score 8 is the______
✓ Mode
The _________ is approximately the average that a score differs from the
mean.
✓ Standard Deviation
The first step in figuring the variance is figuring each_________ (the difference
between the score and the mean).
Master01 |Excellent Study Material| Latest update
, 1|Page | © copyright Master01| Grade A+
✓ deviation score
When calculating the variance in a population, you divide the sum of
squared deviations by _________
✓ N
The average of the squared deviations from the mean is called the______
✓ Variance
The median is greater than the mean in a distribution that is____________
✓ skewed to the left.
A measure of the typical or representative value that is not much affected by
outliers is the ________
✓ Mode and Median
The variance is the same as the ________
✓ average of the squared deviations.
The standard deviation is ______ of the variance(s)
Master01 |Excellent Study Material| Latest update
, 1|Page | © copyright Master01| Grade A+
✓ the square root
Which of the following is NOT an advantage of Z scores?
✓ You can easily tell the shape of the scores' distribution
Which of the following would best describe the normal curve?
✓ Unimodal, roughly symmetrical, and bell-shaped.
A statistics professor discovers that the mean score and the mode score for
the latest class exam are the same. This would be possible for which of the
following distribution shapes?
✓ Normal
Blaise Pascal is mainly associated historically with _____
✓ probability theory
The _________ interpretation of probability is the understanding of probability
as the degree of one's certainty that a particular outcome will occur
✓ subjective
Master01 |Excellent Study Material| Latest update
