A researcher conducted a study on the average weight of a specific type of fruit. Based on a random sample, the estimated mean weight was 185 grams, with an associated margin of error of 7 grams. Which of the following statements is least appropriate?
It is plausible that the true mean weight of this type of fruit in the population is between 178 grams and 192 grams.
If many samples were taken, approximately 95% of the resulting confidence intervals would contain the true mean weight.
It is certain that the mean weight of all fruits of this type is within the range of 178 grams to 192 grams.
The sample mean of 185 grams is the best point estimate for the population mean weight.
