Wrapping Colour Narrative
A firm's product can be wrapped in any of three colours: red, white, and black. The manager wants to test whether mean monthly sales (in $1000s) are the same, regardless of the colour. Viewing the past five months as a random sample, the manager collected the data shown below.
Sales History (thousands of dollars)
-Refer to Wrapping Colour Narrative. Perform the test at the 1% level of significance.

Question

Wrapping Colour Narrative
A firm's product can be wrapped in any of three colours: red, white, and black. The manager wants to test whether mean monthly sales (in $1000s) are the same, regardless of the colour. Viewing the past five months as a random sample, the manager collected the data shown below.
Sales History (thousands of dollars) 
-Refer to Wrapping Colour Narrative. Perform the test at the 1% level of significance.

Quizplus · Accepted Answer

The Answer of Wrapping Colour Narrative
A firm's product can be wrapped in any of three colours: red, white, and black. The manager wants to test whether mean monthly sales (in $1000s) are the same, regardless of the colour. Viewing the past five months as a random sample, the manager collected the data shown below.
Sales History (thousands of dollars) 
-Refer to Wrapping Colour Narrative. Perform the test at the 1% level of significance.

Wrapping Colour Narrative A Firm's Product Can Be Wrapped in Any of Three