A small-business owner must hire seasonal workers as the need arises. The following list shows the number of employees hired monthly for a 5-month period. 4, 13, 5, 6, 7

Calculate the standard deviation of the data. Round the answer to the nearest hundredth.

35.63
12.36
7
3.16

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.