Research Methods and Data Analysis Quiz

Which of the following is a quantitative measure used in research?

• Structured interviews

• Likert scales

• Open-ended questions

• Focus groups

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DOK Level 1: Recall

What is the term for the middle value in a data set when the numbers are arranged in order?

• Mean

• Mode

• Median

• Range

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DOK Level 1: Recall

Which measure of central tendency is most affected by extreme values in a data set?

• Mean

• Median

• Mode

• Range

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DOK Level 1: Recall

Calculate the mean of the following data set: 4, 8, 6, 10, 12.

• 8

• 9

• 10

• 11

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DOK Level 2: Skill/Concept

Which of the following best describes a skewed distribution?

• A distribution with two peaks

• A distribution where one tail is longer than the other

• A distribution with no variation

• A distribution with equal tails

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DOK Level 1: Recall

In a normal distribution, what percentage of data falls within one standard deviation of the mean?

• 50%

• 68%

• 95%

• 99%

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DOK Level 1: Recall

Which of the following is a qualitative research method?

• Likert scales

• Surveys with closed-ended questions

• Structured interviews

• Experiments

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DOK Level 1: Recall

If a data set has a mode of 15, what does this indicate?

• The average value is 15

• The most frequently occurring value is 15

• The middle value is 15

• The range is 15

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DOK Level 1: Recall

Which measure of variation is calculated by subtracting the smallest value from the largest value in a data set?

• Standard deviation

• Range

• Variance

• Interquartile range

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DOK Level 1: Recall

Interpret the following percentile rank: A student scored in the 90th percentile on a test.

• The student scored higher than 90% of the students

• The student scored lower than 90% of the students

• The student scored exactly at the average

• The student scored higher than 10% of the students

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DOK Level 2: Skill/Concept