2. The mean of 5 numbers is 10. The median is 13. What might the numbers be? Find 2 different answers.

Question

2. The mean of 5 numbers is 10. The median is 13. What might the numbers be?
Find 2 different answers.

in progress 0
Verity 3 years 2021-08-23T14:42:05+00:00 2 Answers 7 views 0

Answers ( )

    0
    2021-08-23T14:43:10+00:00

    Answer:

    Sum of all number = mean × numbers

    = 5 × 10 = 50.

    If median is 13 so, there must be 2 number before and after 13.

    Sum of remaining 4 numbers

    = 50 – 13 = 37.

    so, two numbers may be,

    14 + 16 = 30.

    3 + 4 = 7.

    1st ans = 3, 4, 13, 14, 16.

    1 + 3 = 4.

    15 + 18 = 33.

    2nd ans = 1, 3, 13, 15, 18.

    0
    2021-08-23T14:43:19+00:00

    Mean is the average.

    10 x 5 = 50

    All 5 numbers need to add up to 50.

    Median is the middle value, so there are 2 numbers below 13 and 2 numbers above 13.

    Since the middle number is 13, the other 4 numbers must add up to equal 37 (50-13 = 37)

    4 +3 = 7

    14+16 = 30

    1 set could be 3, 4 ,13, 14, 16

    A 2nd set could be:

    1 +2 = 3

    16 + 18 = 34

    1,2,13,16,18

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )