A telemarketing firm is monitoring the performance of its employees based on the number of sales per hour. One employee had the following sales for the last 20 hours 9 5 2 6 5 6 4 4 4 7
4 4 7 8 4 4 5 5 4 8

(i) The median for the distribution of number of sales per hour is 5 sales per hour.
(ii) The first quartile for the distribution of number of sales per hour is 4 sales per hour.
(iii) For the distribution of number of sales per hour, 50% of the observations are between 3 and 7.5.

Which one is the correct statement(s)) ?

There are a number of things that you can do to protect yourself from falls in the workplace these include using fall protection equipment and using ladder safety what else can you do

Aceramics manufacturer sold cups last year for $7.50 each. variable costs of manufacturing were $2.25 per unit. the company needed to sell 20,000 cups to break even. net income was $5,040. this year, the company expects the price per cup to be $9.00; variable manufacturing costs to increase 33.3%; and fixed costs to increase 10%. how many cups (rounded) does the company need to sell this year to break even?

Employees at a library check out books to patrons. books have an isbn and a name. the library sometimes has multiple copies of the same book. books have one or more authors. a patron is an individual who has an active (non-expired) library card. for each library card, we store the person's first and last names and their address. for each employee, we store their employee id, current salary, first and last name and their address. we also store the employee id of their current manager. each time we check out a book to a patron we need to store the date of the transaction, the employee who checked out the book to the patron, and the library card of the patron. some employees have library cards. if an employee patron turns in a book late, the fine that they pay is a percentage of their salary. some employees are authors who have library cards—they are allowed to check out as many books as they like.