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In an experiment, three drugs were tested to see how much pain relief each provides. Pain relief was rated on a ten-point scale. Five subjects were tested in each group and their data are as shown in the table. At α = 0.05, find the F test value. Can it be concluded that the mean sc..

A survey reports that the average coffee consumption of the American adult is over 400 cups per annum. The annual coffee consumption of 25 American adults was subjected to a study and it was found that the sample has a mean of 418 cups and a standard deviation of 10 cups. At α = 0.0..

The following data represent clotting times (mins) from three subjects treated in three different ways. The plasma samples were allocated randomly to the treatments and the analysis was repeated three times for each sample. Write the levels of (i) first, (ii) second variable and the degre..

The grade point average of 10 students in two subjects are as follows: Subject I 2.0 2.1 2.2 3.8 3.1 3.4 2.1 2.3 2.5 2.6 Subject II 2.2 2.4 2.0 3.4 2.9 3.6 2.0 2.6 2.7 2.4 Find t test value and test the significance of the correlation coefficient using the P-value meth..

The following table shows the Math (M), Science (S), Geography (G) and English (E) scores of Jack and John. Select an appropriate double bar graph for the given data. Subjects Jack John Maths 60 80 Science 70 60 Geography 70 55 English 80 65 => Graph 3 or Graph 4 or Graph 2 or Graph 1..

Find the point at which the maximum value of P = 10 x + 5 y subject to the constraints x ≥ 0, y ≥ 0 and 3 x + 4 y ≤ 12 occurs. => (4, 0) or (0, 0) or (0, 3) or (1, 1)..

What are the minimum and maximum values of the objective function P = 5 x + 6 y subject to the constraints x ≥ 2, x ≤ 4, y ≥ 1, y ≤ 3? => 28, 38 or 26, 28 or 16, 38 or 16, 28..

Find the point at which the maximum value of P = x + y subject to the constraints x ≥ 0, y ≥ 0 and 3 x + 4 y ≤ 12 occurs. => (0, 0) or (1, 1) or (0, 3) or (4, 0)..

Find the point at which the minimum value of P = x + y subject to the constraints x ≥ 0, y ≥ 0 and 3 x + 4 y ≤ 12 occurs. => (1, 1) or (0, 3) or (0, 0) or (4, 0)..

What is the maximum value of the objective function C = 4 x + 3 y subject to the constraints x ≥ 0, y ≥ 0, x + y ≤ 4? => 12 or 16 or 0 or 18..