Question 7
Answer the given subquestions.
The same company now decides to do a taste test for its milk biscuits among a random sample of children. The company decides that the key metric will be the liking of the overall taste measured on a 5 point scale from “do not like at all” to like very much”. The company wants to be 95% confident that the findings on the mean score on the 5 point scale is plus or minus 10% accurate. What should be the sample size?