2 Debbie and Katie are planning a visit to the Elegant Day S

2. Debbie and Katie are planning a visit to the Elegant Day Spa where they will each choose one of the following three services that offered. Service Facial (F) Pedicure (P) Manicure (M) Cost $40 $30 $20 a) Identify the frequency distribution for all combination of sample means for Debbie and Katie choosing a service. (5 point) b) Which Theorem (or Theory) will we assume for the sample mean? (5 point) c) Calculate the standard deviation of the sample mean. (5 point)

Solution

a) Identify the frequency distribution for all combination of sample means for Debbie and Katie choosing a service.

facila $40

pedicure $30

manicure $20

b) Which Theorem (or Theory) will we assume for the sample mean?

Central Limit Theorem

c) Calculate the standard deviation of the sample mean

Need the data because there is no info about the data