MATH 120 Study guides, Class notes & Summaries

Math 120 Exam Questions with 100% Correct Answers Statistics - Is the science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answer questions Population - The entire group to be studied is called Ex: Taking a survey of the whole elementary school of their favorite ice cream Sample - Is a subset of the population that is being studied Ex: Out of the whole elementary school 50 students were chosen to participate in a survey Descriptive Statistics...

MATH 120: Introduction to Statistics Lime Spring Week 6 Quiz

MATH 120: Introduction to Statistics Lime Spring Week 5 Quiz 1. Using the test scores in the table below, what is the variance of the scores on the exam? (Round your answer to the nearest whole number.)<br /> A: 27 2. Using the test scores in the table below, what is the standard deviation of the scores on the exam? (Round your answer to the nearest whole number.) A: 5

MATH 120: Introduction to Statistics Lime Spring Week 8 Final Exam 1. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91 What is the mean of the scores? A: 87. 2. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91 What is the median of the scores? A: 88. 3. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91 What is the mode of the scores?

Math 120 Final Verified 100% 7. Four years ago, Jane invested some money in an account earning 8% interest compounded annually. She now has $22530.56, What amount did she originally invest? - Solution 7: PV=? FV=22,530.56 t=4 r=.08 m=1 PV= FV/(1+r/m)^mt ; PV=22530.56/(1+.08/t)^1(4) = 16560.6342 Answer is in dollars. 8. You have $150,000 that you place in an account that earns 3.5% interest compounded monthly, If you want to receive monthly payments for the next 20 years, how much w...

solve by creating the square x² + 12x +32 = 0 - solve by creating the square 3x² − 7x + 2 = 0 - solve using the quadratic formula let g(x) = 4x² - 2x - 3. Find x such that g(x) = 0 - solve using the quadratic formula 3x² − 7x + 2 = 0 - solve (x + 1)² = -9 - solve Let f(t) = (t + 4)². Find t such that f(t) = 13 - solve Let f(x) = 7/x + 7/x+4. Find all x for which f(x) = 1 - solve the equations for all solutions x⁴ - 8x² ...

Statistics - Is the science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answer questions Population - The entire group to be studied is called Ex: Taking a survey of the whole elementary school of their favorite ice cream Sample - Is a subset of the population that is being studied Ex: Out of the whole elementary school 50 students were chosen to participate in a survey Descriptive Statistics - Consist of organizing and summarizing ...

What uses a set of facts or assumptions, called premises, to support a conclusion? An argument A ________________ is a deceptive argument in which the conclusion is not well supported by the premises. fallacy Which fallacy is best represented by the argument "I've seen Christians being hypocritical to what their faith proclaims. Therefore, I choose not to believe in their faith." Personal Attack Which argument is the best example of the appeal to ignorance fallacy? "There is n...

StatisticsIs the science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answer questions PopulationThe entire group to be studied is called Ex: Taking a survey of the whole elementary school of their favorite ice cream SampleIs a subset of the population that is being studied Ex: Out of the whole elementary school 50 students were chosen to participate in a survey Descriptive StatisticsConsist of organizing and summarizing data. Describes data ...

When was Pythagoras born?569 BC What was the name for the inner circle of followers in Pythagoras' society?Mathematikoi Because this lack of biographical information (such as the date, place, and circumstances of both his birth and death) is unusual for ancient Greek mathematicians, some researchers have proposed which of the following?Euclid was not, in fact, an actual historical figure. Eudid's Elements is divided into to how many books?13 How do many scholars view the death of Hyp...