Consider the frequency distribution of the scores of 25 examinees on a 50-item test: \(\begin{array}{lc} \hline \text {Test Score Interval }&\text { Number of Examinees }\\ \hline96-100 & 4 \\ 91-95 & 6 \\ 86-90 & 8 \\ 81-85 & 5 \\ 76-80 & 2 \\ \hline \end{array}\) -The arithmetic mean of the above distribution of scores is

A) 59.5. B) 88.0. C) 89.0. D) 92.5. A) 59.5. B) 88.0. C) 89.0. D) 92.5.

Consider the frequency distribution of the scores of 25 examinees on a 50-item test: \(\begin{array}{lc} \hline \text {Test Score Interval }&\text { Number of Examinees }\\ \hline96-100 & 4 \\ 91-95 & 6 \\ 86-90 & 8 \\ 81-85 & 5 \\ 76-80 & 2 \\ \hline \end{array}\) -The median of the above distribution of scores is closest to

A) 85.5. B) 86.0. C) 88.0. D) 89.0. A) 85.5. B) 86.0. C) 88.0. D) 89.0.

Consider the frequency distribution of the scores of 25 examinees on a 50-item test: \(\begin{array}{lc} \hline \text {Test Score Interval }&\text { Number of Examinees }\\ \hline96-100 & 4 \\ 91-95 & 6 \\ 86-90 & 8 \\ 81-85 & 5 \\ 76-80 & 2 \\ \hline \end{array}\) -The above standard deviation of the distribution of scores is approximately

A) 3.0. B) 6.0. C) 12.0. D) 36.0. A) 3.0. B) 6.0. C) 12.0. D) 36.0.

Exam 19: Appendix A: Measurement and Statistics

Consider the frequency distribution of the scores of 25 examinees on a 50-item test: Test Score Interval Number of Examinees 96-100 4 91-95 6 86-90 8 81-85 5 76-80 2 -The arithmetic mean of the above distribution of scores is

(Multiple Choice)

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Question 21

For the scores 5, 6, 7, 8, 9, 9, 9, the median is larger than the mean.

(True/False)

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Question 22

If two groups of test scores are perfectly but inversely related, the correlation between them will be closest to

(Multiple Choice)

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Question 23

Specificity plus reliability equals communality.

(True/False)

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Question 24

Which of the following is true when the frequency distribution of scores is positively skewed?

(Multiple Choice)

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Question 25

The sum of the cross-products of a set of factors on two tests is an estimate of the correlation between those tests.

(True/False)

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Question 26

Arithmetic mean is to standard deviation as median is to semi-interquartile range.

(True/False)

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Question 27

The square of a factor loading on a test is the proportion of the __________ variance of the test scores that is accounted for by the factor.

(Multiple Choice)

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Question 28

Factors are interpreted primarily by examining the factor

(Multiple Choice)

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Question 29

Consider the frequency distribution of the scores of 25 examinees on a 50-item test: Test Score Interval Number of Examinees 96-100 4 91-95 6 86-90 8 81-85 5 76-80 2 -The median of the above distribution of scores is closest to

(Multiple Choice)

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Question 30

The correlation between variable X and variable Y is .50. From this information one may conclude that

(Multiple Choice)

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Question 31

Consider the frequency distribution of the scores of 25 examinees on a 50-item test: Test Score Interval Number of Examinees 96-100 4 91-95 6 86-90 8 81-85 5 76-80 2 -The above standard deviation of the distribution of scores is approximately

(Multiple Choice)

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Question 32

Information on the common dimensions or traits underlying the scores on a group of tests can be obtained by a __________ analysis of the correlations among the tests.

(Multiple Choice)

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Question 33

A correlation of -1.00 indicates the absence of a relationship between two variables.

(True/False)

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Question 34

The most commonly used measure of central tendency is the arithmetic mean.

(True/False)

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Question 35

Correlation does not imply

(Multiple Choice)

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Question 36

What is a ʺnormal curve,ʺ and what variables are likely to be distributed in a normal fashion?

(Essay)

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Question 37

Standard scores on intelligence tests represent the same level of measurement as temperature in degrees Celsius.

(True/False)

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Question 38

Histogram is to bar as frequency polygon is to line.

(True/False)

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Question 39

A mathematical technique for studying various kinds of intelligence is known as

(Multiple Choice)

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Question 40

Showing 21 - 40 of 78

Consider the frequency distribution of the scores of 25 examinees on a 50-item test: Test Score Interval Number of Examinees 96-100 4 91-95 6 86-90 8 81-85 5 76-80 2 -The arithmetic mean of the above distribution of scores is

For the scores 5, 6, 7, 8, 9, 9, 9, the median is larger than the mean.

If two groups of test scores are perfectly but inversely related, the correlation between them will be closest to

Specificity plus reliability equals communality.

Which of the following is true when the frequency distribution of scores is positively skewed?

The sum of the cross-products of a set of factors on two tests is an estimate of the correlation between those tests.

Arithmetic mean is to standard deviation as median is to semi-interquartile range.

The square of a factor loading on a test is the proportion of the __________ variance of the test scores that is accounted for by the factor.

Factors are interpreted primarily by examining the factor

Consider the frequency distribution of the scores of 25 examinees on a 50-item test: Test Score Interval Number of Examinees 96-100 4 91-95 6 86-90 8 81-85 5 76-80 2 -The median of the above distribution of scores is closest to

The correlation between variable X and variable Y is .50. From this information one may conclude that

Consider the frequency distribution of the scores of 25 examinees on a 50-item test: Test Score Interval Number of Examinees 96-100 4 91-95 6 86-90 8 81-85 5 76-80 2 -The above standard deviation of the distribution of scores is approximately

Information on the common dimensions or traits underlying the scores on a group of tests can be obtained by a __________ analysis of the correlations among the tests.

A correlation of -1.00 indicates the absence of a relationship between two variables.

The most commonly used measure of central tendency is the arithmetic mean.

Correlation does not imply

What is a ʺnormal curve,ʺ and what variables are likely to be distributed in a normal fashion?

Standard scores on intelligence tests represent the same level of measurement as temperature in degrees Celsius.

Histogram is to bar as frequency polygon is to line.

A mathematical technique for studying various kinds of intelligence is known as

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