The mean of the values of \( 1,2,3, \ldots ., \mathrm{n} \) with respective frequencies \( \math... VIDEO
The mean of the values of \( 1,2,3, \ldots ., \mathrm{n} \) with respective frequencies \( \mathrm{x}, 2 \mathrm{x}, 3 \mathrm{x}, \ldots . . \mathrm{nx} \) is:
a. \( \frac{2 n+1}{2} \)
b. \( \frac{2 n+1}{6} \)
c. \( \frac{\mathrm{n}}{2} \)
d. \( \frac{2 n+1}{3} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2023-07-14 Fill in the Blanks The set of all possible outcomes of an experiment is called 2023-07-14 Fill in the Blanks When an unbiased dice is rolled once, the probability of getting multiple of 2 is 2023-07-14 The mean of 25 observations is 36 . If the mean of the first 13 observation is 32 and that of th... 2023-07-14 A sequence a, \( a x, \mathrm{ax}^{2}, \ldots \ldots . . \mathrm{ax}^{\mathrm{n}} \), has odd nu... 2023-07-14 The arithmetic mean of the series \( 1,3,3^{2}, \ldots \ldots 3^{\mathrm{n}-1} \) is
a. \( \frac... 2023-07-14 The mean and median of the data \( \mathrm{a}, \mathrm{b} \) and \( \mathrm{c} \) are 50 and 35 ... 2023-07-14 If \( \mathrm{X}, \mathrm{M}, \mathrm{Z} \) are denoting mean, median and mode of a data and \( ... 2023-07-14 For the following grouped frequency distribution the mode is
\begin{tabular}{|c|c|c|c|c|c|c|c|}
... 2023-07-14 The mean of a set of 9 observations is 20.5 . If each of the largest 4 observations is increased... 2023-07-14 A die is tossed 100 times (faces are numbered 1 - 6) and frequently distribution of the integers... 2023-07-14 The mean of the values of \( 1,2,3, \ldots ., \mathrm{n} \) with respective frequencies \( \math... 2023-07-14 The following frequency distribution shows the gain in weight (in \( \mathrm{kg} \) ) by 50 chil... 2023-07-14 The mean of 12 observations is 13.5 by an error and observation is registered as 24 instead of 4... 2023-07-14 If the mean of \( x \) and \( \frac{1}{x} \) is \( p \). Then the mean of \( x^{2}, \frac{1}{x^{... 2023-07-14 Mean of \( \mathrm{n} \) observation \( \mathrm{a}_{1}, \mathrm{a}_{2}, \ldots . \mathrm{a}_{\ma... 2023-07-14 The following frequency shows the monthly pocket expense of 510 students.
\begin{tabular}{|c|c|c... 2023-07-14 The following frequency distribution shows the absentee record of class \( X \) students in a te... 2023-07-14 The mean of squares of first \( (\mathrm{n}-1) \) natural numbers is:
a. \( \frac{\mathrm{n}^{2}... 2023-07-14 The following frequency shows the monthly pocket expense of 510 students.
\begin{tabular}{|c|c|c... 2023-07-14 The median of the observation \( 11,12,14,18, x+2 \), \( \mathrm{x}+4,30,32,35,41 \) arranged in... 2023-07-14 The range of \( 15,14, x, 25,30,35 \), is 29 . Find the least possible value of \( x \).
a. 14
b...