In a study by researchers, the body temperatures of 90 individuals were measured
ID: 2930906 • Letter: I
Question
In a study by researchers, the body temperatures of 90 individuals were measured; the mean for the sample was 97.91 degrees Upper F° It is commonly believed that the mean body temperature is 98.60 degrees. The difference between the sample mean and the accepted value is significant at the 0.05 Complete parts (a) and (b) below.
a. Discuss the meaning of the significance level in this case. If 100 samples were selected, the mean temperature would be (97.91 or 98.60) degrees or (more or less) in (10, 1, 5)) or (more or fewer) in one of the samples.
Explanation / Answer
Here when we are given that the difference between the sample mean and the accepted value is significant at the 0.05 level of significance, this means that if we compute the 95% confidence interval for the difference in the sample mean and the given value of 98.6 ( acceptable value ) , then 0 would not lie in that confidence interval and therefore there is a significant difference in the sample mean and the acceptable temperature.