Carolina, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (in $1,000) are shown below. Please note that the sample sizes are not equal. 
a.Compute the overall mean 
.
b.At 95% confidence, test to see if there is a significant difference in the average sales of the three stores. Use both the critical value and p-value approaches. Show your complete work and the ANOVA table.
Definitions:
Initialization Statements
Initial setup commands in a program that set variables to their default values.
Reserved Words
Keywords in a programming language that are used by the language itself and cannot be used as identifiers by programmers.
Identifiers
Identifiers are names given to elements in a program, such as variables, functions, and arrays, used for identification purposes.
Variables
Variables are symbolic names associated with a location in memory, which can hold values that may change during the execution of a program.
Q22: A multiple regression model has the form
Q24: If a hypothesis is rejected at 95%
Q28: Refer to Exhibit 16-4. If we want
Q40: In the ANOVA, treatment refers to<br>A)experimental units<br>B)different
Q47: In a regression analysis, the coefficient of
Q53: Refer to Exhibit 13-5. The mean square
Q74: Refer to Exhibit 10-6. A 95% confidence
Q96: The reliability of two types of machines
Q126: Your investment executive claims that the
Q141: Refer to Exhibit 9-6. At 95% confidence,