We can conclude that the difference between the two means are between -0.223 and 0.988.
And for this case the confidence interval contains the value of 0 so then we have enough evidence to conclude that we don't have significant difference between the means of Silver Queen and the Country Gentlemen.
Step-by-step explanation:
For this case we have the following interval for the difference between Silver Queen - Country Gentlemen:
We can conclude that the difference between the two means are between -0.223 and 0.988.
And for this case the confidence interval contains the value of 0 so then we have enough evidence to conclude that we don't have significant difference between the means of Silver Queen and the Country Gentlemen.
Rent, wages and car insurance don't vary much. Grocery expenses depend upon the particular groceries purchased each time one goes to the grocery store, and are least likely to be steady / constant from week to week.