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MATH 225N WEEK 1 ASSIGNMENT SAMPLING METHODS – QUESTIONS AND ANSWERSAssume that 80 houses are present in the form of a grid consisting of 10 columns and 8 rows. If a loud speaker is placed just before the first row, which sampling method works the best to select a sample of houses if we want to get an estimate of the average loudness (measured in decibels) near all the 80 houses? ________________________________________ Select the correct answer below: ______________________________________...

SOPHIA 202 Week 4 Journal Critical Reading & Writing (2) Keep in mind that there are no right or wrong answers. You will be assessed on the depth of your reflection, so take this opportunity to inspire personal thought and ideas. ……………………………………………………………………………………………………… Reflecting on your reading and writing Directions: Review Sections 4.3 – 4.6 in your text and think back to your early experiences with...

SOPHIA 202 Week 4 DiscussionChart for recording results: Resting pulse rate: 55 Resting respiration rate: 14 Pulse after 3 minutes of exercise: 108 Respiration after 3 minutes of exercise: 31 Resting pulse rate – 5 minutes after exercise: 89 Resting respiration rate – 5 minutes after exercise: 28 Brief description of the cardiovascular system: The cardiovascular system consists of blood, arteries, the heart, capillaries, and veins. The heart pumps the blood through the body via t...

MATH 255N WEEK 1 ASSIGNMENT, VARIABLES AND MEASURES OF DATA1. Which of the following best describes the term explanatory variable? ________________________________________ Select the correct answer below: ________________________________________ the dependent variable in an experiment a value or component of the independent variable applied in an experiment a variable that has an effect on a study even though it is neither an independent nor a dependent variable the independen...

Sophia - Environmental Science - Unit 2 Challenge 1

Sophia Human Biology Milestone 414 questions were answered correctly. 6 questions were answered incorrectly. 1 Which node does a pacemaker assist? CONCEPT Cardiac Cycle and Cardiac Conduction System 2 What muscular tubes, not supported by cartilage, help regulate airflow into and out of the lungs? CONCEPT Lower Respiratory Tract 3 Which antibody that inhibits pathogens from binding to the body's cells is found in endocrine gland secretions, such a...

US HISTORY Week 3 Discussion 2

US History I Practice milestone 3All of the following statements reflect planter paternalism in the early 19th century, EXCEPT . RATIONALE Planter paternalism rested upon the racist belief that African slaves were an inferior race incapable of caring for themselves. Therefore, according to this ideology, slaveowners were performing a social good by providing basic necessities for their slaves for life. On this basis, southerners argued that their society was superior to the North's, wh...

MATH 225N WEEK 6 QUIZ STATISTICS – QUESTION AND ANSWERSQuestion 1 A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out of 100 points was a x¯=77, with a margin of error of 10. Construct a confidence interval for the mean score (out of 100 points) on the final exam. ________________________________________ That is correct! ________________________________________ $$(67, 87) Answer...

Sophia Human Biology Milestone 1 .18 questions were answered correctly. 5 questions were answered incorrectly. 1 Which of the following statements about glycolysis is true? CONCEPT Glycolysis 2 How many turns of the Krebs cycle are required to break down one molecule of glucose? CONCEPT Krebs Cycle 3 Which organelle is mainly responsible for synthesizing proteins?