https://essaysglobe.com/wp-content/uploads/2020/06/logo-EG.png 0 0 Davis https://essaysglobe.com/wp-content/uploads/2020/06/logo-EG.png Davis2022-03-27 13:17:242022-03-27 13:17:24Quiz: Statistical Concepts
Question 1 1 pts
The teacher grades the papers and determines the following set of scores: 90, 85, 87, 85, 92, 90, 83, 85, and 98. What is the mode?
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Question 2 1 pts
When comparing the four scales of measurement, what distinguishes the interval scale from the ratio scale?
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Question 3 1 pts
In a follow-up study, a researcher reported that the correlation is .85. In the initial study, the correlation was .78. This means there is a/an:
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Question 4 1 pts
When looking at a list of students’ test scores, the teacher notices that one test score is significantly lower than the majority of the scores. This is known as a/an:
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Question 5 1 pts
The teacher calculates the highest score as being 97 and the lowest score as being 75. What is the range?
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Question 6 1 pts
A researcher determines that there is a positive correlation between sleep and test scores; this means that as the amount of sleep is increased, then test scores will:
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Question 7 1 pts
In studying the correlation between the number of hours studied and scores on the comprehensive exam, the researcher found a correlation of .30. According to Cohen’s guidelines, what would this mean regarding the strength of the relationship?
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Question 8 1 pts
In comparing Spearman’s Rho to a Phi Coefficient, one would generally prefer to use Spearman’s Rho when correlating:
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Question 9 1 pts
A student conducting a research study was told by her professor to use a scatterplot in conjunction with calculating the correlation coefficient. She discovered that the data points clustered along a straight line; this means that:
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Question 10 1 pts
A researcher is looking for a specific study report, in which he/she knows the kurtosis value. He reads the following kurtosis values in various reports. Which one supports a mesokurtic distribution?
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Question 11 1 pts
Denise took an aptitude test that was first taken by a large group of male engineers, on whom the test was standardized. Denise is a nurse. What might be a concern when interpreting her test scores?
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Question 12 1 pts
A raw score can be transformed into any type of standard score by first:
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Question 13 1 pts
The group scores to which each individual is compared are referred to as:
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Question 14 1 pts
Grade equivalents are useful because they:
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Question 15 1 pts
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Question 16 1 pts
Z scores, T scores, and deviation IQs are examples of:
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Question 17 1 pts
A school interested in measuring students’ progress in academic subjects throughout the school years might choose to use:
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Question 18 1 pts
In _______________ test interpretation, content domain is an important consideration.
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Question 19 1 pts
A T score has a fixed mean of __________ and a fixed standard deviation of __________.
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Question 20 1 pts
Aptitude, intelligence, and achievement tests are all examples of: