Question
In: Statistics and Probability
The owner of two fast-food restaurants has recorded customer satisfaction ratings for both locations on a...
The owner of two fast-food restaurants has recorded customer satisfaction ratings for both locations on a scale of 1 to 5 (5equalsMost satisfied). The table linked below summarizes the data.
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?
Solutions
orchestra answered 1 year agoRelated Solutions
The owner of two fast-food restaurants has recorded customer satisfaction ratings for both locations on a...
The owner of two fast-food restaurants has recorded customer
satisfaction 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...
Step 3 of 5 : A fast-food restaurant owner believes that when a customer orders a...
Step 3 of 5 :
A fast-food restaurant owner believes that when a customer
orders a drink, 50% will order a regular soda, 30% will order a
diet soda, and 20% will order water. To test this belief, over the
course of a day she tracks how many customers order each drink.
During the day 119 customers order drinks, and the breakdown by
type is given in the table below:
Drink
Regular Soda
Diet Soda
Water
Customers
53
45
21...
Zagat’s publishes restaurant ratings for various locations in the United States. The file Restaurants contains the...
Zagat’s publishes restaurant ratings for various locations in
the United States. The file Restaurants contains the Zagat rating
for food, décor, service, and the cost per person for a sample of
100 restaurants located in New York City and in a suburb of New
York City. Develop a regression model to predict the cost per
person, based on a variable that represents the sum of the ratings
for food, décor, and service.
a. Construct a scatter plot.
b. Assuming a...
A study of fast-food intake is described the the paper "What People Buy From Fast-Food Restaurants"...
A study of fast-food intake is described the the paper "What
People Buy From Fast-Food Restaurants" (Obesity, 2009,
pages 1369-1374). Adult customers at three hamburger chains
(McDonald's, Burger King and Wendy's) in New York City were
approached as they entered the restaurant at lunchtime and asked to
provide their receipt when exiting. The receipts were then used to
determine what was purchased and the number of calories consumed
was determined. In all, 3857 people participated in the study. The
sample...
A magazine uses a survey of readers to obtain customer satisfaction ratings for the nation's largest...
A magazine uses a survey of readers to obtain customer
satisfaction ratings for the nation's largest retailers. Each
survey respondent is asked to rate a specified retailer in terms of
six factors: quality of products, selection, value, checkout
efficiency, service, and store layout. An overall satisfaction
score summarizes the rating for each respondent with 100 meaning
the respondent is completely satisfied in terms of all six factors.
Sample data representative of independent samples of Retailer A and
Retailer B customers...
A magazine uses a survey of readers to obtain customer satisfaction ratings for the nation's largest...
A magazine uses a survey of readers to obtain customer
satisfaction ratings for the nation's largest retailers. Each
survey respondent is asked to rate a specified retailer in terms of
six factors: quality of products, selection, value, checkout
efficiency, service, and store layout. An overall satisfaction
score summarizes the rating for each respondent with 100 meaning
the respondent is completely satisfied in terms of all six factors.
Sample data representative of independent samples of Retailer A and
Retailer B customers...
A magazine uses a survey of readers to obtain customer satisfaction ratings for the nation's largest...
A magazine uses a survey of readers to obtain customer
satisfaction ratings for the nation's largest retailers. Each
survey respondent is asked to rate a specified retailer in terms of
six factors: quality of products, selection, value, checkout
efficiency, service, and store layout. An overall satisfaction
score summarizes the rating for each respondent with 100 meaning
the respondent is completely satisfied in terms of all six factors.
Sample data representative of independent samples of Retailer A and
Retailer B customers...
A magazine uses a survey of readers to obtain customer satisfaction ratings for the nation's largest...
A magazine uses a survey of readers to obtain customer
satisfaction ratings for the nation's largest retailers. Each
survey respondent is asked to rate a specified retailer in terms of
six factors: quality of products, selection, value, checkout
efficiency, service, and store layout. An overall satisfaction
score summarizes the rating for each respondent with 100 meaning
the respondent is completely satisfied in terms of all six factors.
Sample data representative of independent samples of Retailer A and
Retailer B customers...
A magazine uses a survey of readers to obtain customer satisfaction ratings for the nation's largest...
A magazine uses a survey of readers to obtain customer
satisfaction ratings for the nation's largest retailers. Each
survey respondent is asked to rate a specified retailer in terms of
six factors: quality of products, selection, value, checkout
efficiency, service, and store layout. An overall satisfaction
score summarizes the rating for each respondent with 100 meaning
the respondent is completely satisfied in terms of all six factors.
Sample data representative of independent samples of Retailer A and
Retailer B customers...
The wait times (in seconds) for fast food service at two burger companies were recorded for...
The wait times (in seconds) for fast food service at two burger
companies were recorded for quality assurance. Using the sample
data below, find the following for each sample:
Range
Standard deviation
Variance
Lastly, compare the two sets of results.
Company
Wait times in seconds
Big Burger Company
105
67
78
120
175
115
120
59
The Cheesy Burger
133
124
200
79
101
147
118
125
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