Question

the median of set of 8 numbers is 4.5 given that 7 numbers are 7,2,13,4,8,2 and 1 find the product of 8th number and mode of eight numbers​

Answer 1

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Answer 2

Given : the median of set of 8 numbers is 4.5

7 numbers are 7,2,13,4,8,2 and 1

To Find :  product of 8th number and mode of eight numbers​

Solution:

7 numbers are 7,2,13,4,8,2 and 1

arrange in the order

1 , 2 , 2 , 4 , 7 , 8 , 13  

Median is 4.5 and total 8 terms

Median = (4th term + 5th term) /2

4th term = 4

Median = 4.5

Hence  5th term  = 5

so 8th number must be 5

1 , 2 , 2 , 4 , 5 , 7 , 8 , 13  

Mode = 2

8th number = 5

Product = 2 * 5 = 10

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