I for a Goodness-Of-Fit Test, the Number of Degrees of Freedom

question 48

Multiple Choice

i. For a goodness-of-fit test, the number of degrees of freedom is determined by k - 2, where k is the number of categories. ii. The sum of the expected frequencies in a goodness-of-fit test need not equal the sum of the observed frequencies.
iii. A goodness-of-fit test is a nonparametric test involving a set of observed frequencies and a corresponding set of expected frequencies.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (iii) is a correct statement, but (i) and (ii) are false.

Understand the basic principles and functioning of electric induction motors.

Recognize the significance of synchronous and asynchronous speeds in induction motors.

Distinguish between the concepts of magnetic fields and magnetic pole polarities.

Identify the relationship between rotor speed, stator magnetic field, and the generation of torque in induction motors.

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