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Q: What is the mean of the following data values 22 37 49 15 92?

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There are 15 values.

The mean = The sum of all the values ÷ The number of values. 18 + 15 + 22 + 18 + 25 + 19 + 23 = 140 : Number of values = 7 Mean = 140 ÷ 7 = 20

15

The mean deviation or absolute mean deviation is the sum of the differences between data values and the mean, divided by the count. In this case the MAD is 6.

6.

a. 39 b. 47 c. 49 d. 37

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Remember what each of these terms represent. Mean = Mathematical Average Median = Middle value (exactly half of values are above and below) Mode = Most frequent value There are multiple possible answers, however here is one: 13, 13, 15, 15, 19 The mean is: (13 + 13 + 15 + 15 + 19)/5 = 75/5 = 15 The middle value (the median) is 15. Another way to say this is that, if we were to list all the values as shown above there are two before 15 and two after 15; therefore the median is 15. In this data set the value 13 occurs twice, 15 occurs twice, and 19 occurs once. Both 13 and 15 occur the most frequently therefore they are both the mode.

For any data set, the average would be sum of all the values , divided by the number of values ... Hence the average of 1,2,3,4,5 would be : 1+2+3+4+5 / 5 , or 15 / 5 = 3

15

Well information is processed data. Information has more meaning than data. For example 0945 is data. In this state it doesn't mean much. But if you process it this data can mean for example a date: the ninth month of 1945 or it can mean 15 to 10.

The mean (arithmetic mean) is the average of all the values in the set. Add the values together and divide by the number of values.Example : the values 1, 2, 3, 4, and 5Their sum is 1+2+3+4+5 = 15 and there are five values.15/5 = 3 so the mean is 3.(*In some branches of mathematics, the term average has other forms, so the term mean is used to indicate this type of averaging.)

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