When using this sample for a t-test of the claim that the population means is greater than 8989 sec, df denotes degrees of freedom. Thus option B is the right answer. Since N is 35, the df is N-1 which is 34.
Degrees of freedom alludes to the most extreme number of legitimately autonomous qualities, which are values that have the opportunity to shift, in the information test. Degrees of freedom are determined by deducting one from the number of things inside the information test. Degrees of freedom are normally examined comparable to different types of speculation testing in measurements, for example, a chi-square.
Computing degrees of freedom is key while attempting to comprehend the significance of a chi-square measurement and the legitimacy of the invalid speculation. Degrees of freedom can likewise depict business circumstances where the board must settle on a choice that directs the result of another variable.
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