Please can you help me with this

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Guys can y’all me because i don’t understand to the questions of my cousin she tell me to do the homework plz me guys