The number of boys and girls in a school is 140 and 250 respectively. 30% of boys left the school while 30 girls took admission in the school. Find the new ratio of boys to girls in the school.
Required ratio = (0.70 x 140) : (250 + 30) = 98:280 = 7:20
Dispersion measure which is least affected by extreme values is _____
_____ is also known as test for goodness of fit.
_____ is the most appropriate design when the experimental material is very less and the number of genotypes are very large.
Which of the following design is suitable for laboratory experiments and industries?
Psychrophiles can survive up to which temp?
