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School

CUNY John Jay College of Criminal Justice *

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Course

250

Subject

Statistics

Date

Feb 20, 2024

Type

jpeg

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Uploaded by SuperTurtlePerson278

STA 250 Principles and Methods of Statistics Exam | Review Problems B (last updated Fall 2020) Note: Follow directions. Clearly indicate the methods you use, because you will be scored on the correctness of your methods as well as on the accuracy and completeness of your results and explanations. Show work with and without using a calculator. You may use statistical tables. SHORT ANSWER. 1) What level of measurement would be applied when doing a survey on the average American's shoe size? 2) If you were told that four students from a class of twenty were questioned for a poll about study habits, this would be an example of 3) What type of sampling is being employed if the country is divided into economic classes and a sample is chosen from each class to be surveyed? MULTIPLE CHOICE. 4) Classify the histogram as skewed to the left, skewed to the right, or approximately symmetric. ) .. A) skewed to the right B) approximately symmetric C) skewed to the left SHORT ANSWER. 5) State the reason why the following frequency distribution is incorrectly constructed. Class Frequency 48-53 2 54-59 0 60-65 6 66-72 4 73-78 3

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