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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 5 to 50, 405 values in total Frequencies: 5 to less than 10: 15; 10 to less than 15: 15; 15 to less than 20: 45; 20 to less than 25: 75; 25 to less than 30: 105; 30 to less than 35: 75; 35 to less than 40: 45; 40 to less than 45: 15; 45 to less than 50: 15.050100150515253545Time (min)Frequency
1 mark

What is the shape of this distribution?