Which one of the following is not a non-parametric test ? (A) t-test (B) Sign test (C) Chi-square test (D) Run test

Which one of the following is not a non-parametric test ? (A) t-test (B) Sign test (C) Chi-square test (D) Run test
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Answer: A
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Description : The importance of the correlation co-efficient lies in the fact that: (A) There is a linear relationship between the correlated variables. (B) It is one of the most valid measure of statistics. ... of the association be tween two variables. (D) It is a non-parametric method of statistical analysis.

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If two samples are different in size, like 20 to 60, is it a good idea to apply two sample t-tests and chi-square tests?

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What is the output frequency of an upper-sideband parametric-frequency converter?

Description : What is the output frequency of an upper-sideband parametric-frequency converter?

Last Answer : The sum of the input frequency and the pump frequency.

In a nondegenerative parametric amplifier the difference between the input frequency and the pump frequency is called what?

Description : In a nondegenerative parametric amplifier the difference between the input frequency and the pump frequency is called what?

Last Answer : Idler- or lower-sideband frequency.

What is the primary difference between the pump signal of a simple parametric amplifier and the pump signal of a nondegenerative parametric amplifier?

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The pump signal frequency must be of what value when compared to the input signal of a simple parametric amplifier?

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Last Answer : Exactly double the input frequency.

What is the purpose of the pump in a parametric amplifier?

Description : What is the purpose of the pump in a parametric amplifier?

Last Answer : Supplies the electrical energy required to vary the capacitance.

What is the most important feature of the parametric amplifier?

Description : What is the most important feature of the parametric amplifier?

Last Answer : The low-noise characteristic.

The underlying principle of operation of the parametric amplifier is based on what property?

Description : The underlying principle of operation of the parametric amplifier is based on what property?

Last Answer : Reactance.

Boston society of Civil Engineer's formula Q = 0.0056 × (D/t) in cumecs/square km is based upon (A) Rainfall and drainage area(B) Total run off and drainage area (C) Drainage area and its shape (D) Drainage area

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A group of 210 students appeared in some test. The mean of of students is found to be 60. The mean of the remaining students is found to be 78. The mean of the whole group will be: (A) 80 (B) 76 (C) 74 (D) 72

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Last Answer : Answer: D

Which of the following attributes denote great strengths of a teacher? (a) Full-time active involvement in the institutional management (b) Setting examples (c) Willingness to put assumptions to the test (d) Acknowledging mistakes Select the correct answer from the codes given below: (A) (a), (b) and (d) (B) (b), (c) and (d) (C) (a), (c) and (d) (D) (a), (b), (c) and (d)

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"Male and female students perform equally well in a numerical aptitude test." This statement indicates a: (A) statistical hypothesis (B) research hypothesis (C) null hypothesis (D) directional hypothesis

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Which of the following is not a characteristic of a good achievement test? (A) Reliability (B) Objectivity (C) Ambiguity (D) Validity

Description : Which of the following is not a characteristic of a good achievement test? (A) Reliability (B) Objectivity (C) Ambiguity (D) Validity

Last Answer : (C) Ambiguity

A common test in research demands much priority on (A) Reliability (B) Useability (C) Objectivity (D) All of the above

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