An insurance company is assessing two of its regional managers (Manager $A$ and Manager $B$) on how well-respected they are by their employees. The insurance company randomly selects $40$ employees from both regions.
They ask the employees to rate how much they respect their managers on a $1-10$ scale, with $1$ representing no respect and $10$ representing the utmost respect. Here are the summary results:
Which of the following represents a $99\%$ confidence interval for the difference in the averages between how much company $A$'s employees respect their manager when compared with company $B$'s?