Read the following information about the transportation industry and answer the questionsTransportation SafetyThe chart shows the number of job-related injuries for each of the transportation industries for1998.a. What are the variables understudy?Variable is number of job related injuries in a specific type of transportationindustry in 1998 b. Categorize each variable as quantitative .Categorize each quantitative variable as discrete orcontinuousDiscreted. Identify the level of measurement for each of thevariablenumber of injuriese.

In order to gauge public opinion about how to handle iran's growing nuclear program, a research group surveyed 1010 americans by telephone and asked them to rate the threat iran's nuclear program poses to the world on a scale of 1 to 10. describe the population, sample, population parameters, and sample statistics. identify the population in the given problem. choose the correct answer below.

Seattle bank’s start-up division establishes new branch banks. each branch opens with three tellers. total teller cost per branch is $96,000 per year. the three tellers combined can process up to 90,000 customer transactions per year. if a branch does not attain a volume of at least 60,000 transactions during its first year of operations, it is closed. if the demand for services exceeds 90,000 transactions, an additional teller is hired and the branch is transferred from the start-up division to regular operations. required what is the relevant range of activity for new branch banks

If the findings and the results are not presented properly, the research completed was a waste of time and money. true false