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Which of these measures can be used with ordinal data? a) Mean b) Median c) Standard deviation
b) Median
You want to calculate the average age of your participants. What type of scale must the data be on?
Ratio scale
True or False: You can calculate the standard deviation from nominal data.
False
Which measure of central tendency tells you the most frequently occurring score?
Mode
What is the statistical term for how far scores are spread out from the mean?
Standard deviation
You asked your students to rank classroom activities from favourite to least favourite. Which measure(s) of central tendency can you use to analyse the data?
Frequencies, mode, median
In your class, most students scored between 75–85%, and a few scored lower or higher. What distribution is this most likely?
Normal distribution
You notice that the more time your students spend using Quizlet, the better they do on vocabulary tests. What is the name of this relationship in statistical terms?
Positive correlation
You want to explore if there’s a link between learners’ motivation and their speaking performance. Which statistic might you use?
Correlation
You check your test results and find that the mean, median, and mode are the same. What does this suggest about the distribution?
It is normally distributed
You noted that “reading stories” was the most frequently chosen favourite activity among your students. What measure of central tendency is this?
Mode
You collected your students’ test scores. What measure of central tendeny tells you the middle score when all results are ranked?
Median
What kind of correlation is this? The more anxious students are, the less willing they are to communicate.
Negative correlation
You want to investigate how confident your learners feel about speaking English in class. What kind of question would you include in your questionnaire, and what scale or data type would it generate?
A Likert-scale question like “I feel confident speaking in English class” rated from Strongly Disagree to Strongly Agree → Interval data (strict sense: ordinal)
Spot the problem and improve the question: “Do you enjoy grammar and vocabulary lessons?”
Double-barrelled, split it into two separate questions: “Do you enjoy grammar lessons?” “Do you enjoy vocabulary lessons?”
Spot the problem and improve the question: "How often do you use metacognitive strategies while learning English?”
"Metacognitive" problematic."How often do you think about how you learn English — for example, setting goals, checking your progress, or planning how to study?”
