The following is the distribution of ages of students in a graduate course: Age (years) Frequency 2024

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The following is the distribution of ages of students in a graduate course:

Age (years) Frequency 20–24 11 25–29 24 30–34 30 35–39 18 40–44 11 45–49 5 50–54 1

(a) Construct a bar chart of the data.

(b) Calculate the mean and standard deviation of the data.

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