Question

Use critical thinking to determine whether the sampling method appears to be sound or is flawed. Points: 5 23) "38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 randomly selected members of her college a) How does this survey appear to be flawed? b) How could you design the survey so that it is not flawed? Use the given data to find the equation of the regression line. Round the final values to tenths, if necessary. Points: 5 24) X 1 3 5 7 9 y 143 116 100 9B 90 140.4 31.2x How did you find the equation of the regression line? Construct the dotplot for the given data, Points: 5 25) The following data represent the number of cars passing through a toll booth during a certain time period over number of days. 38 39 37 37 44 38 41 38 39 35 42 39 43 37 41

i need #23 & 25 please

Answer 1

23)

a)

The survey appears to be flawed because the responses of only members of a that particular college have been recorded. It isn't an appropriate representative of the population of adults in the United States.

b)

Survey should be designed such that the sample is an appropriate representative of the population and not belongs to just a single college.

Note- Dear student, as HOMEWORKLIB's policy, the expert is advised to solve only the first question.