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SHOW DETAILS PLESE AND BE CLEAR.... THANK YOU! Elementary Statistics Unit 1 Exam

ID: 3242328 • Letter: S

Question

SHOW DETAILS PLESE AND BE CLEAR.... THANK YOU!

Elementary Statistics Unit 1 Examination Problem 2 As part of a project for their Introduction to Biology course, students were asked to collect data in order to estimate the eye color distribution of Sierra College students on the Rocklin campus. So, one day after class, students walked all around the Rocklin campus and randomly asked other students the question "What color are your eyes?". The responses provided are listed below. Brown, Brown, Blue, Brown, Blue, Brown, Brown, Brown, Green, Green, Brown, Hazel, Brown Brown, Hazel, Brown, Blue, Brown, Brown, Green, Brown, Hazel, Brown, Blue, Brown, Hazel, Blue, Brown, Brown, Brown, Brown, Brown, Green, Green, Brown, Brown, Hazel, Brown, Brown, Blue, Brown, Brown, Green, Brown, Brown, Blue, Brown, Brown, Brown, Green, Blue, Brown, Brown, Hazel, Brown, Brown, Green, Brown, Blue, Brown, Blue, Green, and Brown (a) identify the method of sampling used to collect this data. (b) Construct a percentage distribution table with this data.

Explanation / Answer

a) Simple random sampling is used to collect the data.

b) The frequency table with percentage for given data is shown below:

Problem 3: Since this is nominal data, mode is the best measure. Here Mode is Brown. Most of the people have brown eyes.

Color Frequency Percentage Brown 38 38/63=60.32% Blue 10 10/63=15.87% Green 9    9/63=14.29% Hazel 6 6/63=9.52% SUM 63 100%