Question
The sample sizes for two cases were 15 each with means
as 104 and 114 respectively and variances as 200 and 510 respectively. Let the null hypothesis is that the two population means are equal, then the value of t-statistic is: ÂSolution
The correct answer is A
Which of the following is the time taken for one complete oscillation of a sound wave in the density of the medium?
Minimum Distance for proper vision isÂ
Which of the following dyes is used for colouring Paper and typewriters?
What term describes the rate of change of velocity?Â
Red light is used for signals because it has –
How much time does a Geostationary satellite take to complete one orbit, at the height of 35790 km?
Why a person can jump higher on the Moon’s surface than the Earth?
Panchayat was added to our constitution through which amendment?Â
A girl is standing 5 metres away from a plane mirror. How much distance should she move towards the mirror so that she will be 2 metres farther from her...
A rear-view mirror for driving is –