MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

MACHINE LEARNING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In hypothesis representation, what is the meaning of the symbol ‘? ‘
A
No value is acceptable
B
Any value is acceptable
C
Selected values are acceptable
D
None of the above
Explanation: 

Detailed explanation-1: -Always write the alternative hypothesis, typically denoted with Ha or H1, using less than, greater than, or not equals symbols, i.e., (≠, >, or <). If we reject the null hypothesis, then we can assume there is enough evidence to support the alternative hypothesis.

Detailed explanation-2: -Criteria for good hypotheses state an expected relationship or difference between two or more variables; • be testable; and. • be grounded in past knowledge, gained from the literature review or from theory.

Detailed explanation-3: -The significance level, also denoted as alpha or , is the probability of rejecting the null hypothesis when it is true. For example, a significance level of 0.05 indicates a 5% risk of concluding that a difference exists when there is no actual difference.

Detailed explanation-4: -A non-directional research hypothesis in symbols should look like this: ˉX≠ (The mean of the sample is not equal to the mean of the population).

There is 1 question to complete.