Introduction to Statistics (MATH1280)

1 MATH 1280 Milestone 3_Introduction to Statistics (2020) – University of the People Tracie spins the four-colored spinner shown below. She records the total number of times the spinner lands on the color red and constructs a graph to visualize her results. Which of the following statements is TRUE? • If Tracie spins the spinner 1,000 times, it would land on red close to 250 times. • If Tracie spins the spinner 1,000 times, the relative frequency of it landing on red will remain constant. ...

1 MATH 1280 Milestone 4_Introduction to Statistics (2020) – University of the People Which statement about correlation is FALSE? • The correlation of a data set can be positive, negative, or 0. • Correlation between the variables of the data set can be measured. • Correlation is the degree to which the two variables of a data set resemble each other. • Correlation is used to define the variables of only non-linearly related data sets. RATIONALE Recall that correlation is ...

1 MATH 1280 Milestone 3_Introduction to Statistics (2020) – University of the People Tracie spins the four-colored spinner shown below. She records the total number of times the spinner lands on the color red and constructs a graph to visualize her results. Which of the following statements is TRUE? • If Tracie spins the spinner 1,000 times, it would land on red close to 250 times. • If Tracie spins the spinner 1,000 times, the relative frequency of it landing on red will remain...

1 MATH 1280 Milestone 2_Introduction to Statistics (2020) – University of the People Hannah noted the height of each student in her class and found that the mean height of the students is 56 inches, with a standard deviation of 1.2 inches. The height of one of the students, James, is 59 inches. What is the z-score for James' height? • 2.5 • -2.5 • 3.6 • -3.6 RATIONALE Recall that the z-score can be calculated with the following formula: The given value is 59 inches, t...