The owner of two​ fast-food restaurants has recorded customersatisfaction ratings for both locations on a scale of 1 to 5 ​(5=Most ​satisfied). The table linked below summarizes the data.
Rating | Restaurant A | Restaurant B |
1 | 5 | 15 |
2 | 13 | 14 |
3 | 9 | 17 |
4 | 33 | 18 |
5 | 25 | 16 |
a. Calculate the mean satisfaction rating at each location.
b. Calculate the standard deviation of each distribution.
c. What conclusions can be drawn from these​ results?
Here is where you solve below
a.
*What is the mean for Restaurant​ A?
​(Type an integer or decimal rounded to three decimal places as​needed.)
W*hat is the mean for restaurant B?
​(Type an integer or decimal rounded to three decimal places as​needed.)
b.
*What is the standard deviation for restaurant​ A?
​(Type an integer or decimal rounded to three decimal places as​needed.)
What is the standard deviation for restaurant B?
​(Type an integer or decimal rounded to three decimal places as​needed.)
c. What conclusions can be drawn from these​ results?
(choose the correct answer)
* Restaurant A has lower / higher average customer satisfactionratings than the ones in Restaurant B. Customer satisfactionratings for Restaurant A are less / more consistent when comparedwith ones in Restaurant B.