Interactive practice questions
A set of data is strongly positively skewed. If the median is $60$60, the mean is :
Less than $60$60
A
Equal to $60$60
B
Greater than $60$60
C
Easy
< 1min
Which of these graphs is bi-modal?
Easy
< 1min
State whether the scores in each histogram are positively skewed, negatively skewed or symmetrical (approximately).
Easy
< 1min
What is the approximate mean of this data set?
Easy
< 1min
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