Question
In hypothesis testing, which of the following statements
best describes the null hypothesis?Solution
The null hypothesis (H0) in hypothesis testing represents a default position that there is no significant effect or relationship between the groups or variables being studied, and any observed difference is due to random chance. It serves as a baseline that researchers seek to test against the alternative hypothesis (H1), which proposes that there is a real effect or difference. Hypothesis testing aims to provide statistical evidence to either reject or fail to reject the null hypothesis, depending on whether the observed data supports a significant effect beyond random chance. Option A is incorrect as the null hypothesis assumes no significant difference, not the opposite. Option C is incorrect as the null hypothesis does not automatically accept the alternative hypothesis. Option D is incorrect because the null hypothesis can be used for any sample size, with different tests suited for small and large samples. Option E is incorrect because the null hypothesis acceptance or rejection does not imply certainty but rather a statistically significant likelihood.
Select the most appropriate option to fill in the blank.
The company gave in to the demands of the employees as it found them__________.
When they found out their secret plan had been exposed, they realized someone had _______.
The clinical thermometer is designed to ________ the temperature _____ human body only.
Given below is a sentence with one blank, following which are given four options to choose, to fill the blank. Choose the correct option that can fill ...
Select the most appropriate option to fill in the blank.
The interviewees were slowly becoming impatient as they were left to ________ in the wai...
Fill in the blank with the appropriate form of the verb that agrees with the Subject.
Each one of the workers ____________ a raise in salary from...
(A) The artist’s __________ was evident in the beautiful and intricate details of the sculpture.
(B) The project was completed with great _____...
The company gave in to the demands of the employees as it found them____________.
The statue, which was declared as a new ___________ of an antique, was recovered hours before it was scheduled to be shipped to Malaysia.
She starts crying at the drop of a _________.Â