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Math Practice Test: Averages & Mean
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Avg score: 59% Most missed: “Find median of 8, 7, 3, 5, 10, 12, 1”
In math, an average is a single value that represents a set of data. A mean is a numeric value that represents the center of a set of numbers. An average is calculated by adding all the numbers in a set of data and dividing by the total number of values. The arithmetic mean is the most typical average for a list of numbers.  A mean is calculated by adding all the numbers in a set of data and dividing by the total number of data points in the set. A mean is a point in a data set that is the average of all the data points in the set.  There are three main types of average: mean, median, and... Show more
Math Practice Test: Averages & Mean
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12 Questions

1. Find the mean of 890, 900, 898, 900, 902
2. The mean heights of 10 students was 153 cm. But later it was observed that 151 was read as 141. Corrected mean is
3. Find mean of 3, 6, 9, 12, 15, 18, 21
4. The wages of 5 workers in a factory on 3rd July 2015 were Rs. 26, Rs. 40, Rs. 42, Rs. 45 and Rs. 30. Find the mean wages.
5. Find the mean of 890, 900, 898, 900, 902
6. The mean of 5 numbers is 27. If one number is excluded, their mean is 25. Find the number excluded.
7. If the AM of two numbers is 10 and their GM is 8, the numbers are:
8. If the geometric mean of x, 16, 50, be 20, then the value of x is:
9. If the AM of two numbers is 10 and their GM is 8, the numbers are:
10. Find median of 8, 7, 3, 5, 10, 12, 1
11. The mean heights of 10 students was 153 cm. But later it was observed that 151 was read as 141. Corrected mean is
12. The following is the data of wages per day 7, 5, 8, 8, 8, 5, 7, 9, 5, 10, 8

The mode of the data is: