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olga nikolaevna [1]
3 years ago
7

Help ASAP! ill mark brainliest if correct

Mathematics
1 answer:
irina [24]3 years ago
5 0

Answer:

fourth option

Step-by-step explanation:

The mean is calculated as

mean = \frac{sum}{count}

         = \frac{15+16+21+23+25+25+25+39}{8}

        = \frac{189}{8}

       = 23.6 ( to 1 dec. place )

The median is the middle value of the data set. If there is no exact middle then it is the average of the values either side of the middle.

15  16  21  23  25  25  25  39

                    ↑ middle

median = \frac{23+25}{2} = \frac{48}{2} = 24

The mode is the value that occurs most often, that is 25

Thus

mean = 23.6 , median = 24 , mode = 25

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