Question 4 The owner of the restaurant serving Continental-style entrees was interested in studying ordering patterns of patrons for the Friday-to-Sunday weekend time period. Records were maintained that indicated the demand for dessert during the same time period. The owner decided to study two other variables, along with whether a dessert was ordered: the gender of the individual and whether a beef entrée was ordered. The results are as follows: GENDER DESSERT ORDERED Total Male Female 136 96 40 Yes 224 240 464 No 320 280 Total 600 BEEF ENTRÉE DESSERT ORDERED Total Yes No 136 71 65 Yes 116 348 464 No 600 187 413 Total A waiter approaches a table to make an order. What is the probability that the first customer to order at the table a. Orders a dessert? b. Order a dessert or a beef entrée? c. Is a female and does not order a dessert? d. Is a female or does not order a dessert? e. Suppose the first person that the waiter takes the dessert order from is a female. What is the probability that she does not order dessert? f. Are gender and ordering dessert independent?- g. Is ordering a beef entrée independent of whether the person orders dessert?<
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
Question 4
The owner of the restaurant serving Continental-style entrees was interested in studying ordering patterns of patrons for the Friday-to-Sunday weekend time period. Records were maintained that indicated the demand for dessert during the same time period. The owner decided to study two other variables, along with whether a dessert was ordered: the gender of the individual and whether a beef entrée was ordered. The results are as follows:
A waiter approaches a table to make an order. What is the
- Orders a dessert?
- Order a dessert or a beef entrée?
- Is a female and does not order a dessert?
- Is a female or does not order a dessert?
- Suppose the first person that the waiter takes the dessert order from is a female. What is the probability that she does not order dessert?
- Are gender and ordering dessert independent?
- Is ordering a beef entrée independent of whether the person orders dessert?
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