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Speed of train P = 25.5 × 18/5 = 91.8 Km/h Speed of train Q = 20.5 × 18/5 = 73.8 Km/h Distance travelled by train P till 1:35 pm = 91.8 × 5/3 = 153 Km Relative speed of trains = 91.8 + 73.8 = 165.6 Km/h Remaining distance to be travelled after 1:35 pm = 620 – 153 = 467 Km Time taken to cover 467 Km = 467/165.6 = 17/6 = 2 hours 50 minutes So the two trains will meet each other at 1:35 + 2:50 = 4:25 pm
Completely randomized design is based on the principles of _________ and randomization only.
Two data sets of sizes 6 and 9 have standard deviation 3 and 4, respectively, and arithmetic means 4 and 4, respectively. The standard deviation of com...
In a 3 races, 2 genders and 5 in each treatments group for two -way ANOVA, the degree of freedom for source of variation due to interaction, error and ...
The prices (in ₹) of different yarns (per kg) in two consecutive years are as follows.
If the first quartile of data set 8,10,8,7,9 is 7.5, then the value of quartile deviation is
For the ANOVA which option is wro1ng?
Following two statements are related to regression coefficient
(I) Independent of the change of origin
(II) Independent of the change of scale
The median of following observations 8, 9, 10, 8, 8, 10, 8, 9 is
With reference to index numbers, which of the following statements is true?
For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
