find the mean and median of the following numbers 155, 160, 145, 149, 150, 147, 152, 144, 148
Answers
155+160+145+149+150+147+152+144+148/9=150
the mean of the give data is 150
median :
ascending order of given data : 144,145,147,148,149,150,152,155,160
the mid value of given data is 149
Answer:
Hence the mean and median is 149
Step-by-step explanation:
Given: 155,160, 145, 149, 150, 147, 152, 144 and 148
To find Median
Solution: duranging the data in exending order, we have
c) 144, 145, 147, 148, 149, 150, 152, 155, 160
=) Here n = 9 , which is odd
2. Median: value eta * ((n + 1)/2) ^ (1 / n) tum
Rightarrow((9 + 1)/2) ^ (1h) * tam = (10/2) ^ (1h) * tam = 5 ^ (1h) * tam = 149
The median of a finite list of numbers is the "middle" number, when those numbers are listed in order from smallest to greatest.If the data set has an odd number of observations, the middle one is selected. For example, the following list of seven numbers.
1, 3, 3, 6, 7, 8, 9has the median of 6, which is the fourth value.
If the data set has an even number of observations, there is no distinct middle value and the median is usually defined to be the arithmetic mean of the two middle values.[1][2] For example, this data set of 8 numbers.
1, 2, 3, 4, 5, 6, 8, 9has a median value of 4.5, that is {\displaystyle (4+5)/2}{\displaystyle (4+5)/2}. (In more technical terms, this interprets the median as the fully trimmed mid-range).
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