Q.104 - The Practice of Statistics for AP

Question

The most important condition for sound conclusions from statistical inference is that

(a) the data come from a well-designed random sample or randomized experiment

(b) the population distribution be exactly Normal.

(c) the data contain no outliers.

(d) the sample size be no more than $10\%$ of the population size.

(c) the sample size be at least $30$ .

Step-by-Step Solution

Answer

(a) the data come from a well-designed random sample or randomized experiment.

Step-1: Given Information

We have to find out the correct option of the most important condition for sound conclusions from statistical inference.

Step-2 Explanation

The most significant criterion for using a significant test is that the data from the survey or sample originates from a random sample.

Hence, the correct option is (a)