Descriptive Statisticsmedium
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A dataset [10, 15, 20, 25, 30] has a mean of 20 and a median of 20. If the value 30 is changed to 50, which statements are true?
I. The mean increases by 4.
II. The median stays at 20.
III. The range increases by 20.
A dataset [10, 15, 20, 25, 30] has a mean of 20 and a median of 20. If the value 30 is changed to 50, which statements are true?
I. The mean increases by 4. II. The median stays at 20. III. The range increases by 20.