Introduction to Statistics (MATH1280)
South University
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MATH 1280 Milestone 3_Introduction to Statistics (2020) – Graded A | MATH1280 Milestone 3_Introduction to Statistics (2020) – School Graded
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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. ...

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MATH 1280 Milestone 1 - 4_Introduction to Statistics (2020) – A Grade | MATH1280 Milestone_Introduction to Statistics BUNDLE
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MATH 1280 Milestone 1_Introduction to Statistics (2020) – A Grade
MATH 1280 Milestone 2_Introduction to Statistics (2020) – A Grade
MATH 1280 Milestone 3_Introduction to Statistics (2020) – A Grade
MATH 1280 Milestone 4_Introduction to Statistics (2020) – A Grade

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MATH 1280 Milestone 4_Introduction to Statistics (2020) – Graded A | MATH1280 Milestone 4_Introduction to Statistics (2020) – School Graded
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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 ...

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MATH 1280 Milestone 3_Introduction to Statistics (2020) – Graded A | MATH1280 Milestone 3_Introduction to Statistics (2020) – School Graded
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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...

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MATH 1280 Milestone 2_Introduction to Statistics (2020) – Graded A | MATH1280 Milestone 2_Introduction to Statistics (2020) – School Graded
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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...

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