Question

if _
x=25 and Z=25 , THEN M= ......
this is qoustion of statistics std 10
note :---if you are in std 10 cbse its quston of ch 14

Answer 1

Answer:

25

Step-by-step explanation:

GIVEN:

z = 25 , x = 25

If mode = z. median = M

Mean = x , then

z = 3M - 2x  → emprical formula.

Or

 M = ( z + 2x )/3

M = ( 25 + 2 × 25 )/3

→ M = ( 25 + 50 )/3

→ M = 75/3

→ M = 25

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Answer 2

HERE IS UR ANSWER

Given:

Z = 25 [Z denotes mode]

We have to find M (that is, median).

By empirical relationship, we can say

Mode = 3 (Median) – 2 (Mean)

⇒  z= 3m - 2x

⇒  3m = z + 2x

⇒  m = z + 2x / 3

Putting in the given values, we can

⇒  m = 25 + 2 * 25 / 3

⇒  m = 25 + 50

⇒ M = 25

HOPE IT HELPZ U.....