Arturo is a sales manager for the bratney companies, a company that manufactures equipment used in the processing of grains and other produce. every year, arturo must submit a request for the number of new sales representatives to be hired in the next year. arturo's goal is clear—he must have enough sales reps to service all of britney's customers—but it is often difficult to predict how many customers the company will have. sales are dependent on the economy, weather, farming trends, and a large number of other environmental factors. arturo's decision about how many sales reps to hire is being made under conditions of , because:

Every 10 years, the federal government sponsors a national survey of health and health practices (nhanes). one question in the survey asks participants to rate their overall health using a 5-point rating scale. what is the scale of measurement used for this question? ratio ordinal interval nominal

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis.b)reject the null hypothesis and conclude the mean is higher than $6,000 per day.c)reject the null hypothesis and conclude the mean is lower than $6,000 per day.d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day.expert answer

When many scrum teams are working on the same product, should all of their increments be integrated every sprint?