Statistics
Showing 8 of 208 · 208 total
- 201.The mean of the numbers a, b, 8, 5, 10 is 6 and their variance is 6.8.Medium
- 202.The mean and variance of the data 4, 5, 6, 6, 7, 8, x, y, where xMedium
- 203.Let the mean and the variance of 5 observations x1, x2, x3, x4, x5 be [24 5] and [194 25] …Medium
- 204.Let [] be the mean and [] be the standard deviation of the distribution x_i 0 1 2 3 4 5 f_…Medium
- 205.Three rotten apples are mixed accidently with seven good apples and four apples are drawn …Hard
- 206.Let M denote the median of the following frequency distribution Class 0 - 4 4 - 8 8 - 12 1…Medium
- 207.If the variance of the frequency distribution x c 2c 3c 4c 5c 6c f 2 1 1 1 1 1 is 160, the…Medium
- 208.The frequency distribution of the age of students in a class of 40 students is given below…Medium