Question

The mean of the scores 14,8,7,6,x,2x,10 and 3x, is 11 , then find the value of 'x'?​

Answer 1

Answer:

x = 43/6 = 7.1....

Thanks.

Answer 2

In statistics, the mean is one measure of central tendency, in addition to the mode and median. The mean is nothing but the average of a given set of values. Indicates a uniform distribution of values ​​for a given data set. The mean, median, and mode are three commonly used measures of central tendency. To calculate the average, we need to add the total values ​​listed in the data sheet and divide the sum by the total number of values. The median is the middle value of a given data when all values ​​are sorted in ascending order. While the mode is the number in the list that repeats most times.

Average is a fundamental concept in mathematics and statistics. The mean is the average or most common value in a collection of numbers.

In statistics, it is a measure of the central tendency of a probability distribution along the median and mode. Also referred to as expected value.

It is a statistical concept that is of great importance in finance. This concept is used in a variety of financial areas, including but not limited to portfolio management and business valuation.

Hence to find out the mean of the given data:

$(14+8+7+6+x+2x+10+3x)/8=11$

$(45+6x)/8=11\\45+6x=88\\43=6x\\x=7.16$

Hence the value of x is 7.16

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