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Describe the shape of a distribution

DIFFICULTYintrostandardchallengeexam
Question 1 of 8

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The histogram below shows the time, in minutes, it took participants to complete a puzzle

Histogram of time (min), 9 columns spanning 10 to 55, 270 values in total Frequencies: 10 to less than 15: 9; 15 to less than 20: 9; 20 to less than 25: 9; 25 to less than 30: 18; 30 to less than 35: 27; 35 to less than 40: 36; 40 to less than 45: 54; 45 to less than 50: 72; 50 to less than 55: 36.0204060801020304050Time (min)Frequency
1 mark

What is the shape of this distribution?