2023-07-14 | Direction: In the following questions, a statement of assertion is followed by a statement of re... |
2023-07-14 | The mean weight of 150 students in a class is 60 \( \mathrm{kg} \). The mean weight of boys is \... |
2023-07-14 | If the mean of the observation \( x, x+2, x+4, x+6 \), \( x+8 \) is 11 , then find the mean of l... |
2023-07-14 | The average mark scored by boys of Delhi in board examination is 71 and that of girls of Delhi i... |
2023-07-14 | If the mean of the following data is 18 , the value of \( \mathrm{p} \) is
\begin{tabular}{|c|c|... |
2023-07-14 | The mean of set of observation \( x_{1}, x_{2} \ldots . . x_{10} \) is 20 , then mean of \( x_{1... |
2023-07-14 | The following frequency distribution shows the weights of new born babies in a hospital.
\begin{... |
2023-07-14 | If \( 5,7,3 \) and 2 occur with frequencies, \( 3,4,2 \) and 1 respectively, then the arithmetic... |
2023-07-14 | The weight mean of first \( \mathrm{n} \) natural numbers when their weights are equal to corres... |
2023-07-14 | The median of the observation \( 8,72,19,13,54,63 \), \( 35,49,27 \) is a. 35 b. 49 c. 63 d. 27 |
2023-07-14 | In a frequency distribution, the mid value of class is 27 and class interval is 7 . Then, the up... |
2023-07-14 | Which of the following does not change for the observation \( 7,36,48,3 \mathrm{x}, 95,6 \mathrm... |
2023-07-14 | The following frequency distribution shows the salaries of employees of small scale industry.
\b... |
2023-07-14 | The mean of following distribution is :
\begin{tabular}{|c|c|c|c|c|}
\hline \( \mathrm{x}_{\math... |
2023-07-14 | If 37 is removed from the data \( 30,34,35,36,37 \), \( 38,39,40 \) then the median is:
a. Incre... |
2023-07-14 | For the following distribution,
\begin{tabular}{|l|c|c|c|c|c|}
\hline Class & \( 0-5 \) & \( 5-1... |
2023-07-14 | If the mean of the numbers \( a+27, a+19, a+38, a \) \( +47, \mathrm{a}+54 \) is 82 Then the mea... |
2023-07-14 | A set of numbers consists of three 4 s, five 5s, six 6 s, eight 8 s and seven 10s. The mode of t... |
2023-07-14 | The mean of first six multiples of 5 is a. 17.5 b. 9.5 c. 15 d. 11.5 |
2023-07-14 | the mean of marks obtaind by 100 students is 57 . If marks are multiplied by 3 , then the new me... |
2023-07-14 | Frequency polygons are used when the data is
a. Discontinuous and very large
b. Continuous and v... |