Aseasonal index for a monthly series is about to be calculated on the basis of three years' accumulation of data. the three previous july values were 110, 150, and 130. the average demand over all months during the three-year time period was 190. what is the approximate seasonal index for july?

a. 0.684
b. 2.053
c. 1.462
d. 0.487
e. cannot be calculated with the information given

On june 1 of the current year, chad wilson established a business to manage rental property. he completed the following transactions during june: opened a business bank account with a deposit of $28,000 from personal funds. purchased office supplies on account, $2,690. received cash from fees earned for managing rental property, $7,390. paid rent on office and equipment for the month, $3,310. paid creditors on account, $1,230. billed customers for fees earned for managing rental property, $6,130. paid automobile expenses (including rental charges) for the month, $740, and miscellaneous expenses, $370. paid office salaries, $2,330. determined that the cost of supplies on hand was $1,590; therefore, the cost of supplies used was $1,100. withdrew cash for personal use, $2,210. required: 1. indicate the effect of each transaction and the balances after each transaction: for those boxes in which no entry is required, leave the box blank. for those boxes in which you must enter subtractive or negative numbers use a minus sign. (example: -300) answer

The beach dude (bd) employs a legion of current and former surfers as salespeople who push its surfing-oriented products to various customers (usually retail outlets). this case describes bd's sales and collection process. each bd salesperson works with a specific group of customers throughout the year. in fact, they often surf with their customers to try out the latest surf gear. the bd salespeople act laid-back, but they work hard for their sales. each sale often involves hours of surfing with their customers while the customers sample all the latest surf wear. because bd makes the best surfing products, the customers look forward to the visits from the bd salespeople. and they often buy a lot of gear. each sale is identified by a unique invoice number and usually involves many different products. customers pay for each sale in full within 30 days, but they can combine payments for multiple sales. bd manages its clothing inventory by item (e.g., xl bd surfer logo t-shirts), identified by product number, but it also classifies the items by clothing line (the lines are differentiated by price points as well as the intended use of the clothing, e.g., surfing products, casual wear, . draw a uml class diagram that describes the beach dudes sales and collection process.b. using microsoft access, implement a relational database from your uml class diagram. identify at least three fields per table.c. describe how you would use the relational database to determine the beach dude’s accounts receivable.

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.