2024-01-23 | Let \( A \) and \( B \) be two events such that \( P(A)=7 / 20, P(B) \) \( =9 / 20, P(A \cup B)=.... |
2024-01-23 | The median of the following data \( 8,10,2,4,5,7 \) is.... |
2024-01-23 | The range of the following set of observations 2, 3, 5, \( 9,8,7,6,5,2,3 \), is.... |
2024-01-23 | Consider the following data with frequency distribution:
\begin{tabular}{|l|l|l|l|l|l|}
\hline\(.... |
2024-01-23 | If in a moderately asymmetrical distribution the mode and the mean of the data are 6 and 9 respe.... |
2024-01-23 | Match the following:
\begin{tabular}{|c|c|c|c|}
\hline & List -I & & List-II \\
\hline (A) & \be.... |
2024-01-23 | Consider the following frequency distribution:
\begin{tabular}{lllllll}
\( X \) & 2 & 3 & 4 & 5 .... |
2024-01-23 | Consider the following distribution:
\begin{tabular}{llllll} Size \( \left(x_{i}\right) \) & 20 .... |
2024-01-23 | Consider the following frequency distribution:
\begin{tabular}{lllllll}
\( \boldsymbol{X} \) & 2.... |
2024-01-23 | Consider the following distribution:
\begin{tabular}{|l|l|l|l|l|l|}
\hline Size \( \left(x_{i}\r.... |
2024-01-23 | The mean of four observations is ' 4 ' and their variance is 3.5 . If two these observations are.... |
2024-01-23 | For a group of 50 male workers, the mean and standard deviation of their daily wages are 630 and.... |
2024-01-23 | Let \( x_{1}, x_{2}, \ldots, x_{n} \) be ' \( n \) ' observations. Let \( w_{i}=l x_{i}+k \)
for.... |
2024-01-23 | Consider the following distribution:
\begin{tabular}{|l|l|l|l|l|l|}
\hline Size \( \left(x_{i}\r.... |
2024-01-23 | Let \( r \) be the range and \( S^{2}=\frac{1}{n-1} \sum\left(x_{i}-\bar{x}_{i}\right)^{2} \).
I.... |
2024-01-23 | The mean and median of the following number in
increasing order
\( 3,4,6, x, 10, y \) are ' 7 ' .... |
2024-01-23 | The mean of five observations is 4 and their
variance is 5.2. If three of these observations are.... |
2024-01-23 | 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.... |
2024-01-23 | If a variable takes values \( 0,1,2, \ldots, n \) with frequencies proportional to \( q^{n},{ }^.... |
2024-01-23 | The mean marks of 120 students is 20 . If was later discovered that two marks were wrongly taken.... |
2024-01-23 | Find the median of the given data:
\( 10,3,7,11,14,6,5,12 \).... |