8.1 Gathering and Organizing Data

For each of the following situations, identify whether the sample is a simple random sample, a systematic random sample, a stratified random sample, a cluster random sample, or none of these.

1. A postal inspector wants to check on the performance of a new mail carrier, so she chooses four streets at random among those that the carrier serves. Each household on the selected streets receives a su…

A teacher records the responses of the class (28 students) on the first question of a multiple choice quiz, with five possible responses (A, B, C, D, and E):

Create a categorical frequency distribution that organizes the responses.

Attendees of a conflict resolution workshop are asked how many siblings they have. The responses are as follows:

Create a frequency distribution to organize the responses.

The GPAs of students enrolled in an advanced sociology class are listed in the following table. At this institution, 4.00 is the maximum possible GPA.

Create a binned frequency distribution for the data.