Which of the following is the correct expression for lower class limit? ( $m$ = class midpoint, $u$ = upper class limit, $l$ = lower class limit)

l

m

- 2

u

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l

m

u

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l

= 2

m

u

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l

= 2

m

u

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Solution

The correct option is D $l$ = 2 $m$ - $u$
The middle value of each data class is called class midpoint.
To find the class midpoint, take the average of the upper and lower class limits.

$C l a s s M i d p o i n t (m)$ = $\frac{U p p e r c l a s s l i m i t (u) + L o w e r c l a s s l i m i t (l)}{2}$
$o r$
$m$ = $\frac{u + l}{2}$
$\Rightarrow$ $l$ = $2 m - u$

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Similar questions

Q. Let m be the midpoint and u be the upper class limit of a class in a continuous frequency distribution. The lower class limit of the class is
(a) 2m − u
(b) 2m + u
(c) m − u
(d) m + u

Choose the correct answer in each of the following questions:
Let m be the midpoint and u be the upper class limit of a class in a continuous frequency distribution. The lower class limit of the class is
(a) 2m - u
(b) 2m + u
(c) m - u
(d) m + u

Q. Let l be the lower class limit of a class-interval in a frequency distribution and m be the mid point of the class. Then, the upper class limit of the class is

(a) m+

\frac{l + m}{2}

(b) l+

\frac{m + l}{2}

Question 5
If m is the mid-point and l is the upper class limit of a class in a continuous frequency distribution, then the lower class limit of the class is:

A) 2m + I
B) 2m - l
C) M - l
D) M - 2I

Question 5
If m is the mid-point and l is the upper class limit of a class in a continuous frequency distribution, then the lower class limit of the class is:

A) 2m + I
B) 2m - l
C) M - l
D) M - 2I

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Which of the following is the correct expression for lower class limit? ( m = class midpoint, u = upper class limit, l = lower class limit)

The correct option is D l = 2 m - uThe middle value of each data class is called class midpoint. To find the class midpoint, take the average of the upper and lower class limits. Class Midpoint(m) = Upper class limit(u) + Lower class limit(l)2 or m = u + l2 ⇒ l = 2 m−u

Which of the following is the correct expression for lower class limit? ( $m$ = class midpoint, $u$ = upper class limit, $l$ = lower class limit)