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# Pa section 1.6

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### Pa section 1.6

1. 1. Section 1.6
2. 2.
3. 3. The median of a data set is the middle value when the values are written in numerical order. If a data set has an even number of values, the median is the mean of the two middle values. Minimum monthly temperatures (C) for Big Delta, Alaska. -24, -21, -17, -7, 3, 8, 11, 8, 2, -8, -18, -23 What is the median of the data set? -24, -23, -21, -18, -17, -8, -7, 2, 3, 8, 8, 11 -7.5
4. 4. The mode of a data set is the value that occurs most often. A data set can have no mode, one mode, or more than one mode. Minimum monthly temperatures (C) for Big Delta, Alaska. -24, -21, -17, -7, 3, 8, 11, 8, 2, -8, -18, -23 What is the mode of the data? 8
5. 5. The range of a data set is the difference of the greatest value and the least value. Minimum monthly temperatures (C) for Big Delta, Alaska. -24, -21, -17, -7, 3, 8, 11, 8, 2, -8, -18, -23 What is the range of the data set? 11 – (-24) = 350 C
6. 6. Here are some scores from a card game: 154, 113, 172, 161, 145 Find the mean, median, mode, and range of the data set. Mean = 149 Median = 154 Mode = no mode Range = 59 If the scores were doubled, what would happen to the mean, median, mode, and range? They would all double.
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