Agroup of 266 persons consists of men, women, and
children. there are four times as many men as children,
and twice as many women as children. how many of
each are there?

Number of children=38

Number of men=152

Number of women =72

Step-by-step explanation:

please give me brainliest

Let the number of children =x

Number of men =4x

Number of women =2x

There are 266 people all together.

x+4x+2x=266

7x=266

x=38

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.