If the standard deviation of ' \( n \) ' observations \( x_{1}, x_{2}, \ldots \), \( x_{n} \) is.... VIDEO
If the standard deviation of ' \( n \) ' observations \( x_{1}, x_{2}, \ldots \), \( x_{n} \) is ' 4 ' and another set of observations \( y_{1}, y_{2}, \ldots, y_{n} \)https://bit.ly/YTAI_PWAP https://www.pw.live
Other Videos By PW Solutions 2024-01-21 The median of the following data \( 8,10,2,4,5,7 \) is.... 2024-01-21 Let \( A \) and \( B \) be two events such that \( P(A)=7 / 20, P(B) \) \( =9 / 20, P(A \cup B)=.... 2024-01-21 Consider the following frequency distribution:
\begin{tabular}{lllllll}
\( \boldsymbol{X} \) & 2.... 2024-01-21 The mean of four observations is ' 4 ' and their variance is 3.5 . If two these observations are.... 2024-01-21 If a variable takes values \( 0,1,2, \ldots, n \) with frequencies proportional to \( q^{n},{ }^.... 2024-01-21 Let \( x_{1}, x_{2}, \ldots, x_{n} \) be ' \( n \) ' observations. Let \( w_{i}=l x_{i}+k \)
for.... 2024-01-21 Find 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.... 2024-01-21 A sample of 90 values has mean 55 and standard deviation 3. A second sample of 110 values has me.... 2024-01-21 The mean marks of 120 students is 20 . If was later discovered that two marks were wrongly taken.... 2024-01-21 If standard deviation of a set of observation is 8 and if each observation is divided by ' -2 ' .... 2024-01-21 If the standard deviation of ' \( n \) ' observations \( x_{1}, x_{2}, \ldots \), \( x_{n} \) is.... 2024-01-21 The mean and median of the following numbers in increasing order \( 15,22,28, x, 40,42,51, y \) .... 2024-01-21 The arithmetic mean of \( a, a+d, a+2 d \ldots, a+2 n d \) is.... 2024-01-21 The mean height of 25 male workers in a factory is \( 161 \mathrm{cms} \), the mean height of 35.... 2024-01-21 Find the median of the given data:
\( 10,3,7,11,14,6,5,12 \).... 2024-01-21 The arithmetic mean of the series \( { }^{n} C_{0},{ }^{n} C_{1},{ }^{n} C_{2}, \ldots \), \( { .... 2024-01-21 The mean of first 30 even natural numbers is.... 2024-01-21 The mean of the marks obtained by the groups of students, consisting of 40 and 60 students are '.... 2024-01-21 Match the items of Column I with those of Column
II.
\begin{tabular}{|l|l|l|l|}
\hline \multicol.... 2024-01-21 Which of following is true?.... 2024-01-21 The mean for the following data:
\( 8,5,9,13,5,12,6,14 \) is
(1) 8
(2) 9
(3) 10
(4) 11
Go to Set....
0