The analyst needs to know whether the gap is a real change in taste or just chance, since any sample of 150 will differ a little from the true figure. A z-test for one proportion answers this. It measures how many standard errors the sample result lies
Statistics
ScanSolve AI Answer
The statement accurately describes the purpose of a z-test for one proportion: it is used to determine if an observed difference in a sample proportion from a hypothesized population proportion is statistically significant or merely due to random chance, by measuring the difference in terms of standard errors.
Was this helpful?
Still stuck on this one?
Ask a follow-up, and the answer starts from this question.
Got a different question?Ask your own question
More Statistics Questions
QPerform a one-sample proportion test with continuity correction for the data, given the null…QCalculate the z-score and determine if the data point 250 is an outlier, given a mean of 81 and a…QConsider the following four simples A, B, C, D. Are there significant different between the mean of…QAn independent samples t-test is most appropriate for comparing The relationship between two…QTo determine if a sample is representative, we need to compare the proportion of its characteristics…