Mathematics, 05.05.2020 03:37 madelynw4114

Giving 20 points!
(minutes spent studying in maths class)
The mean is 75. The minimum is 30. The first quartile is 65. The median is 78. The third quartile is 100. The maximum is 120.
Sally spent 60 minutes studying. Had she spent 25 minutes studying...
1)Would the IQR increase, decrease, or stay the same?
2)Would the standard deviation increase, decrease, or stay the same?

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Giving 20 points!
(minutes spent studying in maths class)
The mean is 75. The minimum is...