Consider the following frequency distribution: \begin{tabular}{lllllll} \( X \) & 2 & 3 & 4 & 5 ....

Channel:
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=Chft93iFpTM



Duration: 4:52
1 views
0


Consider the following frequency distribution:
\begin{tabular}{lllllll}
\( X \) & 2 & 3 & 4 & 5 & 6 & 7 \\
\( f \) & 4 & 9 & 16 & 14 & 11 & 6
\end{tabular}
\( \mathrm{P} \)
The standard deviation of the given data is
(1) 1.38
(2) 1.42
(3) 1.45
(4) 1.60



📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live




Other Videos By PW Solutions


2024-01-21Match the following: \begin{tabular}{|l|l|l|l|} \hline & \multicolumn{1}{|c|}{ List -I } & & Lis....
2024-01-21A bag has 10 balls. Six balls are drawn in an attempt and replaced. Then another draw of 5 balls....
2024-01-21The probability that a dealer will sell at least \( 20 \mathrm{TV} \) sets during a day is 0.45 ....
2024-01-21Coefficients of variation of two distributions are 50 and 60 , and their arithmetic means are 30....
2024-01-21If \( a \) is an integer lying in \( [-5,30] \), then the probability that the graph of \( y=x^{....
2024-01-21Two numbers \( a, b \) are chosen from the set of integers \( 1,2,3, \ldots, 39 \). Then probabi....
2024-01-21Match the following: \begin{tabular}{|c|c|c|c|} \hline & List -I & & List-II \\ \hline (A) & \be....
2024-01-21A four figure number is formed of the figures 1, 2, 3, 5 with no repetitions. The probability th....
2024-01-21Five different games are to be distributed among 4 children randomly. The probability that each ....
2024-01-21The standard deviation of data given by \( \begin{array}{lllllll}\text { Variate }(x) & 0 & 1 & ....
2024-01-21Consider the following frequency distribution: \begin{tabular}{lllllll} \( X \) & 2 & 3 & 4 & 5 ....
2024-01-21South African cricket captain lost the toss of a coin 13 times out of 14 . The chance of this ha....
2024-01-21Three balls marked with 1,2 and 3 are placed in an urn. One ball is drawn, its number is noted, ....
2024-01-21If in a moderately asymmetrical distribution the mode and the mean of the data are 6 and 9 respe....
2024-01-21The median of the following data \( 8,10,2,4,5,7 \) is....
2024-01-21Let \( A \) and \( B \) be two events such that \( P(A)=7 / 20, P(B) \) \( =9 / 20, P(A \cup B)=....
2024-01-21Consider the following frequency distribution: \begin{tabular}{lllllll} \( \boldsymbol{X} \) & 2....
2024-01-21The mean of four observations is ' 4 ' and their variance is 3.5 . If two these observations are....
2024-01-21If a variable takes values \( 0,1,2, \ldots, n \) with frequencies proportional to \( q^{n},{ }^....
2024-01-21Let \( x_{1}, x_{2}, \ldots, x_{n} \) be ' \( n \) ' observations. Let \( w_{i}=l x_{i}+k \) for....
2024-01-21Find the mode of given data: \( 6,3,7,5,6,7,8,9,10,7,5,6,3,7,2,6,1,6,5,7,8 \), 7, 6....