paddy_collins95
New member
- Joined
- Apr 7, 2019
- Messages
- 1
A restaurant asks a sample of 9 customers to rate the quality of the food on scale of 0 to 10 where 0 is poor and 10 is excellent. The restaurant would like to use a two-tailed hypothesis test with a 5% significance level to determine if the population mean is significantly different to 7. Which of the following critical values should be used for the test?
- A. 2.306
- B. 2.365
- C. 3.355
- D.
1.860