Sophia statistics unit 2 Study guides, Class notes & Summaries
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Sophia Introduction to Statistics Final Milestone
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Sophia Introduction to Statistics Final Milestone 
(Below is a compilation of all questions for Final Milestone. The answers are 100% correct, and it 
guaranteed to earn you a perfect score in this unit. For a faster search, just hit on ctrl f on windows, or 
command f on mac. Good luck!) 
You passed this Milestone 
25 questions were answered correctly. 
1 
What is the probability of NOT rolling a four when rolling a six sided die? 
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• 
• 
• 
RATIONALE 
Recall that the probability of a...
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Sophia Learning STAT1001: Introduction to Statistics UNIT 2 — MILESTONE 2 Answered 24/25
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Sophia Learning 
STAT1001: Introduction to Statistics UNIT 2 — MILESTONE 2 
24/25 that's 96% RETAKE 
1 question was answered incorrectly. 
Naomi weighed 50 patients for a medical study using a scale that measures to the nearest whole pound. She then calculated the mean weight as 176 pounds, with a standard deviation of 12 pounds. 
If the distribution is normal, what percent of the data lies between 140 pounds and 212 pounds? 
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34% 
UNIT 2 — MILESTONE 2 
24/25 
 
140 pounds an...
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MAT 300 Unit 4 Milestone 4 Sophia Latest Review 2023 Practice Questions and Answers, 100% Correct with Explanations, Highly Recommended, Download to Score A+
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MAT 300 Unit 4 Milestone 4 Sophia Latest Review 2023 Practice Questions and Answers, 100% Correct with Explanations, Highly Recommended, Download to Score A+ 
1 
Which statement about correlation is FALSE? 
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The correlation of a data set can be positive, negative, or 0. 
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Correlation is used to define the variables of only non-linearly related data sets. 
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Correlation between the variables of the data set can be measured. 
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Correlation is the degree to which the two varia...
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Sophia Statistics Unit 2 Milestone
- Exam (elaborations) • 22 pages • 2022
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22 questions were answered correctly. 
4UquNestiIonTs we2re a—nswerMed inIcLorrEectSly.TONE 2 
The manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of 4. On a particular day, 52 mobile phones were sold. 
 
What is the z-score of the sale of mobile phones on that day? 
 
 
-28 
 
 
28 
 
 
1.75 
 
 
-1.75 
 
RATIONALE 
Recall that the z-score can be calculated with the following formula: 
 
 
The given value is 52 phones, ...
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Sophia Foundations of Statistics Unit 2 Milestone 2.
- Exam (elaborations) • 17 pages • 2023
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Clarice was in the process of creating a report on the performance of her students and was trying to determine 
the z-score related to overall student scores. 
If the mean percentage of students was 75% and the standard deviation was 10%, what z-score would 
correspond to a student that ended the course with a 95%? 
 
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3 
 
-3 
 
2 
 
-2 
 
-1 
RATIONALE 
 
4/21/2020 Sophia :: Welcome 
 

Remember the formula for z-score is: 
 
For this problem these values are as follows: 
 
Plugging these ...
And that's how you make extra money
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Sophia Statistics Unit 2 Milestone A+ Answers
- Exam (elaborations) • 22 pages • 2021
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Sophia Statistics Unit 2 Milestone A+ Answers>The manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of 4. On a particular day, 52 mobile phones were sold. 
 
What is the z-score of the sale of mobile phones on that day? 
 
 
-28 
 
 
28 
 
 
1.75 
 
 
-1.75 
 
RATIONALE 
Recall that the z-score can be calculated with the following formula: 
 
 
The given value is 52 phones, the mean is 45 phones, and the standard deviatio...
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Sophia Learning STAT1001: Introduction to Statistics UNIT 1 — MILESTONE 1 Answered 2024/45.
- Other • 44 pages • 2024
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Sophia Learning STAT1001: Introduction to Statistics UNIT 1 — MILESTONE 1 Answered 2024/45. 
Attempt score 25/29. 
1 
25/29 that's 86% RETAKE 
 25 questions were answered correctly. 
4 questions were answered incorrectly. 
Jenae is able to purchase a different brand of coffee for half the price from a new supplier. She anticipated that her co-workers would object to switching to the new brand, as they were really partial to the coffee they have been drinking so far. Indeed, when offere...
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Sophia Introduction to Statistics Unit 1 Milestone 1
- Exam (elaborations) • 52 pages • 2022
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(Below is a compilation of all questions for Unit 1 – Milestone 1. The answers are 100% correct, and it 
guaranteed to earn you a perfect score in this unit. For a faster search, just hit on ctrl f on windows, or 
command f on mac. Good luck!) 
You passed this Milestone 
29 questions were answered correctly. 
1 
“Ugh,” Daniel says as he notices an office memo on his desk. It had been a fun weekend, 
and Monday morning came much too soon. He goes to the kitchen to refill his coffee 
mug. On...
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Sophia Statistics Unit 2 Milestone 2 Questions And Answers Graded A+ 2023 Complete Solutions
- Exam (elaborations) • 22 pages • 2021
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Sophia Statistics Unit 2 Milestone 2 Questions And Answers Graded A+ 2023 Complete Solutions 
Sophia Statistics Unit 2 Milestone 2 Questions And Answers Graded A+ 2023 Complete Solutions 
Sophia Statistics Unit 2 Milestone 2 Questions And Answers Graded A+ 2023 Complete Solutions 
Sophia Statistics Unit 2 Milestone 2 Questions And Answers Graded A+ 2023 Complete Solutions
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STATISTICS MISC - SOPHIA STATISTICS UNIT 5 – MILESTONE 5 LATEST 2023 STATISTICS MISC UNIT 5– MILESTONE 5
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STATISTICS MISC - SOPHIA STATISTICS UNIT 5 – MILESTONE 5 LATEST 
2023 
STATISTICS MISC UNIT 5– MILESTONE 5 
You passed this Milestone 
Joe is measuring the widths of doors he bought to install in an apartment complex. He measured 72 doors and 
found a mean width of 36.1 inches with a standard deviation of 0.3 inches. To test if the doors differ significantly 
from the standard industry width of 36 inches, he computes a z-statistic. 
What is the value of Joe's z-test statistic? 
2.83 
-1.81...
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