M1 Problem Set

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Portage Learning *

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110

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Statistics

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Jan 9, 2024

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M1: Problem Set Due No due date Points 5 Questions 10 Time Limit None Attempt History Attempt Time Score LATEST Attempt 1 7 minutes 5outof 5 Score for this quiz: 9 out of 5 Submitted Nov 21 at 4:30pm This attempt took 7 minutes. Question 1 0/0 pts Look at the following data and see if you can identify any outliers: 4727837121519 13 Your Answer: 78 Notice that 78 is much larger than any of the other values. Therefore 78 is an outlier. Question 2 0/0 pts Look at the following data and see if you can identify any outliers: 120 109 102 88 93 5 123 130 141 139
Your Answer: 5 Notice that 5 is much smaller than any of the other values. Therefore 5 is an oultlier. Question 3 0/0 pts Look at the following data and see if you can identify any outliers: 220 216 223 198 193 1432 201 197 195 187 14 Your Answer: 14, 1432 Notice that 14 is much smaller than any of the other values and 1432 is much larger than any of the other values. Therefore 14 and 1432 are outliers. Question 4 0/0 pts Look at the following data and see if you can identify any outliers: 320 416 2321 43 393 2435 471 347 355 447 17 361 400 Your Answer: 17,43, 2321, 2435
It is sometimes helpful to put the values in order so that outliers can be identified: 17 43 320 347 355 361 393 400 416 447 471 2321 2435 When we do that, we can see that most of the values are between 320 and 471. The values 17 and 43 are much lower than this range and 2321 and 2435 are much higher than this range. Question 5 0/0 pts The following pie chart shows the percentage of people in a city of 900,000 that have exactly 1,2,3,4, and 5 televisions, respectively. 1. How many people in the city have exactly three televisions? 2. How many people in the city have exactly four televisions? Your Answer: 1. 18% x 900,000 = 162,000 people 2. 10% x 900,000 = 90,000 people
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1. Three televisions: .18(900,000) = 162,000 2. Four televisions: .10(900,000) = 90,000 Question 6 0/0 pts The following pie chart shows the favorite sports of the students in a school of 700. " Football - 35% 1. How many students in the school have soccer as their favorite sport? 2. How many students in the school have basketball as their favorite sport? Your Answer: 1. 17% x 700 = 119 students 2.23% x 700 = 161 students
Correctl! Correct! Correctl! Correct! Correctl! Correct! Correctl! 1. Soccer: .17(700) = 119. 2. Basketball: .23(700)= 161 Question 7 0/0pts Match each of the following terms with their definition. Data Things about which infor v Data set An arranged collection o v Element The individual and uniqu v Variable A particular, measurable v Observation All the information collec v Question 8 070 pts Match each of the following terms with their definition. Descriptive statistics A compiled summary of v Inferential Statistics
Correctl! Correct! Correct! Correctl! Correctl! The use of asampletor v Population The entire number of itel v Sample A smaller representative v Question 9 0/0pts Classify each of the following as quantitative or qualitative data. 1. The color of t-shirt that students in a classroom are wearing. qualitative 2. The GPA of students in a class. quantitative 3. The majors of college freshman. qualitative 4. The number of college freshman who leave or transfer away from their institution after the first year. quantitative Answer 1: qualitative Answer 2: guantitative Answer 3: qgualitative
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Answer 4: Correctl quantitative Question 10 5/ 5 pts As a reminder, the questions in this review quiz are a requirement of the course and the best way to prepare for the module exam. Did you complete all questions in their entirety and show your work?? Your Answer: Yes Quiz Score: 5 out of 5