Question
Which soil property is least affected by the size and
arrangement of soil particles?Solution
While soil texture and structure significantly depend on particle size and arrangement, soil pH is more influenced by the presence of certain chemicals and organic matter
Which of the following is an example of using a sample to make inference about a population?
To estimate the average work experience of MBA students at a management institute, five students are selected at random from each type of background, s...
For the two variables X and Y, the following observations are tabulated
X: 3 4 �...
The arithmetic mean of the following frequency distribution of number of accidents X on week working days is:
X: �...
By the method of moving averages, the seasonal index for four quarters equals to:
The value of k so that following is probability mass function
X: -2 -1 0 �...
If A and B are mutually exclusive, the general addition rule is:

The null hypothesis in ANOVA one-way classification, the study of the variances due to k different sources, is:
For the variables X and Y, we collect 4 observations with ∑ X = 10,∑ Y = 14,∑ X2 = 30,∑ Y2 = 54,∑ XY = 31 The regressio...