Question

1 essay 5 points
a tech retailer tracks their daily sales of a specific smartphone model over a work week. to plan for next weeks stock, they need to understand their performance.
monday: 14 units
tuesday: 11 units
wednesday: 18 units
thursday: 22 units
friday: 25 units
requirements: (1) calculate the average number of units sold per day. (2) if the store wants to increase its daily average to 20 units next week, how many total units must they sell over a 5-day period? show your work.

Explanation:

Step1: Sum daily sales values

$14 + 11 + 18 + 22 + 25 = 90$

Step2: Calculate daily average

$\text{Average} = \frac{\text{Total Sales}}{\text{Number of Days}} = \frac{90}{5} = 18$

Step3: Find required total sales

$\text{Total Units} = \text{Target Average} \times \text{Number of Days} = 20 \times 5 = 100$

Answer:

(1) The average number of units sold per day is 18.
(2) The store must sell a total of 100 units over the 5-day period.