What is the mean of the numbers: 4, 8, 6, 10?
Correct!
Wrong!
Mean = (4 + 8 + 6 + 10) ÷ 4 = 28 ÷ 4 = 7.
Which value represents the median of the data set: 3, 5, 7, 9, 11?
Correct!
Wrong!
The median is the middle value in an ordered list, which is 7.
What is the mode of the following data: 2, 3, 3, 5, 7?
Correct!
Wrong!
The mode is the value that appears most often, which is 3.
Which graph type is best for showing parts of a whole?
Correct!
Wrong!
Pie charts are ideal for showing percentages or parts of a whole.
What does a high standard deviation indicate?
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Wrong!
A high standard deviation indicates that data points are spread out widely from the mean.
Which measure is affected most by outliers?
Correct!
Wrong!
The mean is most sensitive to extreme values or outliers.
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Which statistic best represents the center of skewed data?
Correct!
Wrong!
The median is better than the mean for representing the center of skewed data.
What is the range of the dataset: 4, 7, 10, 13?
Correct!
Wrong!
Range = largest - smallest = 13 - 4 = 9.
In a survey of 100 students, 60 said they liked math. What percentage is this?
Correct!
Wrong!
To find the percentage, divide 60 by 100 and multiply by 100 = 60%.