Tara works at a call center for a home shopping network. The table below shows the number of orders placed with the network per day based on the number of calls received per day by the network. Number of Calls, x 200 250 300 350 400
Number of Orders, N 170 225 272 326 374

Which equation best models this set of data?
A.
N = x2 - 27
B.
N = x - 27
C.
N = -x2 + 27
D.
N = -x + 27

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

whatare you sayig

step-by-step explanation: