Statistics > QUESTIONS & ANSWERS > MATH 225N Week 4 Statistics Quiz (Version 2) - Chamberlain College of Nursing. Complete solutions (All)

MATH 225N Week 4 Quiz (Version 2) 1. Question: Brayden tosses a coin 500 Of those 500times, he observes heads a total of 416 times. Calculations show that the probability of this occurring by chance ... is less than 0.01, assuming the coin is fair. Determine the meaning of the significance level. 2. Question: Suppose X∼N(11,0.5), and x=12. Find and interpret the z-score of the standardized normal random variable. 3. Question: A normal distribution is observed from the times to complete an obstacle course. The mean is 69seconds and the standard deviation is 6 Using the Empirical Rule, what is the probability that a randomly selected finishing time is greater than 87 seconds?……. Provide the final answer as a percent rounded to two decimal places. 4. Question: The dataset below represents bugs found by a software tester in her product during different phases of testing: 88, 84, 81, 94, 91, 98, 98, 200………… The measures of central tendency are given below: Mean: 25; Median: 92.5; Mode: 98. Identify the outlier and the measure of central tendency that is affected by the outlier. 5. Question: The following data set represents the ages of all six grandchildren in a family……….. Find the variance for this data set of ages: 6, 3, 14, 11, 14, 6……. Round the final answer to one decimal place. 6. Question: The following data set represents the ages of all seven grandchildren in a family….. 4, 5, 11, 12, 11, 8, 5….. If the variance of the ages is 9.7, what is the standard deviation?…. Round the final answer to one decimal place. 7. Question: Given the following list of prices (in thousands of dollars) of randomly selected trucks at a car dealership, find the median……. 20,46,19,14,42,26,33 8. Question: Each person in a group shuffles a deck of cards and keeps selecting a card until a queen appears. Find the mode of the following number of cards drawn from a deck until a queen appears…… 3,12,3,11,5,5,3,10,12 9. Question: Given the following list of data, what is the five-number summary? 2, 2, 2, 3, 3, 4, 4, 5, 6, 10, 11, 11, 13, 13, 14 10. Question: The box-and-whisker plot shows the number of books read by history students during the last school year……….. A box and whisker plot with minimum 4, first quartile 6, median 8, third quartile 10, and maximum 15……What is the range of the data? 11. Question: The five number summary for a set of data is given below. Min Q1 Median Q3 Max 61 69 72 79 86 Using the interquartile range, which of the following are outliers? Select all correct answers. 12. Question: Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the games so far are listed below…. 16,14,14,21,15….. Find the mean boxes sold. 13. Question: Given the following list of the number of voicemails each employee received at an office during the last workday, find the median…… 11,4,21,8,7,2,3,17,26,4,6 14. Question: Fill in the following contingency table and find the number of students who both go to the beach AND go to the mountains……. 15. Question: Which of the data sets represented by the following box and whisker plots has the smallest standard deviation?….. Four horizontal box-and-whisker plots share a vertical axis with the classes D, C, B, and A and a horizontal axis from 0 to 120 in increments of 20. The box-and-whisker plot above the class label A has the following five-number summary: 44, 69, 77, 82, and 112. The box-and-whisker plot above the class label B has the following five-number summary: 19, 64, 78, 87, and 121. The box-and-whisker plot above the class label C has the following five-number summary: 60, 72, 75, 80, and 92. The box-and-whisker plot above the class label D has the following five-number summary: 2, 63, 77, 92, and 138. All values are approximate. 16. Question: Researchers want to study whether or not a fear of flying is … to a fear of heights. They surveyed a large group of people and asked them whether or not they had a fear of flying and whether or not they had a fear of heights. The data are … in the contingency table below. What is the relative risk of being afraid of heights for those who are afraid of flying? Round your answer to two decimal places……. Afraid of flyingNot afraid of flyingTotalAfraid of heights7682158Not afraid of heights33370403Total109452561 17. Question: Diana is packing a lunch that will include an orange. Diana has 3navel oranges, 5 mandarin oranges, and 4 Valencia oranges. If Diana selects an orange at random, what is the probability that she selects a navel orange?…… Give your answer as a fraction. 18. Question: A spinner contains the numbers 1through 80. What is the probability that the spinner will land on a number that is not a multiple of 11?…… Give your answer in fraction form. 19. Question: A student wants to know his average homework grade for the first half of his math class. There were 7homeworks in the first half of the class, and his grades out of 100 are given by…… 100,90,95,89,92,85,95. What is the population mean of his homework grades? Round your answer to the nearest tenth. 20. Question: Is the statement below true or false?…… Independent is the property of two events in which the knowledge that one of the events occurred does not affect the chance the other occurs. 21. Question: A group of 140students at an elementary school were asked if they prefer the color orange to the color green. The results are shown in the table below. Given that a randomly selected survey participant is a male, what is the probability that this student prefers the color green? 22. Question: Given the following histogram, decide if the data is skewed or symmetrical……. A bar graph has a horizontal axis titled Values labeled from 2 to 18 in increments of 2 and a vertical axis titled Frequency labeled from 0 to 200 in increments of 50. 14 bars are … above the numbers 2 to 16. From left to right, the heights of the bars are as follows: 1. 5. 10. 40, 75, 125, 190, 180, 130, 125, 60, 25,20, 10. All values are approximate. 23. Question: Of the following pairs of events, which pair has mutually exclusive events? 24. Question: The graph below shows the graphs of several normal distributions, labeled A, B, and C, on the same axis. Determine which normal distribution has the smallest standard deviation……. A figure consists of three curves along a horizontal axis, labeled Upper A, Upper B and Upper C. Curve Upper A is short and the most spread out, curve Upper B is tall and the least spread out, and curve C is farther to the left than A. 25. Question: A magician appears to be using a biased coin during one of their magic tricks. To find out whether this is true, the alleged unfair coin is flipped twice. The tree diagram below shows the probabilities of the different outcomes…… A tree diagram has a root that splits into 2 branches representing the outcomes of an event labeled Upper H and Upper T with probabilities StartFraction 3 Over 8 EndFraction and StartFraction 5 Over 8 EndFraction respectively. Each primary branch splits into 2 secondary branches, labeled Upper H and Upper T. The secondary branches have the following probabilities, with the primary and secondary branches listed first and the probability listed second: Upper H Upper H, StartFraction 3 Over 8 EndFraction; Upper H Upper T, StartFraction 5 Over 8 EndFraction; Upper T Upper H, StartFraction 3 Over 8 EndFraction; Upper T Upper T, StartFraction 5 Over 8 EndFraction…… Use the diagram to find the probability of getting one head and one tail (in either order)……. Provide the final answer as a fraction. Further Additional Questions & Answers (from Different Quiz/Test Attempts) 1. Question: A deck of cards contains red cards numbered 1,2,3,4,5,6,7,8,9, blue cards numbered 1,2,3,4and green cards numbered 1,2,3,4,5,6,7,8,9,10. If a single card is picked at random, what is the probability that the card is green? 2. Question: The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 49 55 59 67 72 What is the interquartile range of the set of data? 3. Question: The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 43 51 53 58 94 What is the interquartile range of the set of data? 4. Question: The following frequency table summarizes a set of data. What is the five-number summary? 5. Question: Find the mode of the following amounts (in thousands of dollars) in savings accounts of randomly selected people aged 25-30. 8,6,8,7,2,2,2,4,4,4,4,7 6. Question: A deck of cards contains red cards numbered 1,2,3, blue cards numbered 1,2,3,4and green cards numbered 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16. If a single card is picked at random, what is the probability that the card is blue? Give your answer as a fraction. 7. Question: The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 57 61 67 71 98 What is the interquartile range of the set of data? 8. Question: The five-number summary for a set of data is given below. Min Q1 Median Q3 Max 60 67 70 78 93 What is the interquartile range of the set of data? 9. Question: The following frequency table summarizes a set of data. What is the five-number summary? Value Frequency 1 6 2 2 5 1 6 1 9 1 11 1 13 1 14 6 15 3 16 1 19 1 23 1 24 1 28 1 [Show More]

Last updated: 8 months ago

Preview 1 out of 25 pages

** **

by You Are Beautiful Hair Salon · 3 years ago

GOOD

*NURSING> QUESTIONS & ANSWERS > NURSING NR 228 Nutrition- Week 3 nutrition edapt - Introduction to Energy - Chamberlain College of Nursing (All)

NURSING NR 228 Nutrition- Week 3 nutrition edapt - Introduction to Energy - Chamberlain College of Nursing

By QuizMaster , Uploaded: Mar 29, 2023

**$8**

Statistics> QUESTIONS & ANSWERS > Math 225N Statistics: Week 4 Quiz. - Chamberlain College of Nursing. All Answers Provided (All)

Math 225N Statistics: Week 4 Quiz. - Chamberlain College of Nursing. Question 1 Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers fo...

By Kirsch , Uploaded: Mar 29, 2020

**$10**

*NURSING> QUESTIONS & ANSWERS > NURSING NR 228 Nutrition Week 7 edapt - Nutrition and Biliary Health- nutrition for gastrointestinal health - Chamberlain College of Nursing (All)

NURSING NR 228 Nutrition Week 7 edapt - Nutrition and Biliary Health- nutrition for gastrointestinal health - Chamberlain College of Nursing

By QuizMaster , Uploaded: Mar 29, 2023

**$10.5**

*NURSING> QUESTIONS & ANSWERS > NR 507 Advanced Pathophysiology Week 2 Quiz: NR 507 - Chamberlain College of Nursing. Multiple Versions (All)

NR 507 Week 2 Quiz: With Rationale 1. Question: Water movement between the intracellular fluid compartment and the extracellular compartment is primarily a function of 2. Question: How does the...

By Expert#1 , Uploaded: Sep 11, 2020

**$10**

*NURSING> QUESTIONS & ANSWERS > NURSING NR 228 Nutrition Week 4 edapt - Introduction to Vitamins, - Chamberlain College of Nursing (All)

NURSING NR 228 Nutrition Week 4 edapt - Introduction to Vitamins, - Chamberlain College of Nursing Vitamins play a vital role in health and wellness and perform specific metabolic functions. From pre...

By QuizMaster , Uploaded: Mar 29, 2023

**$10**

*NURSING> QUESTIONS & ANSWERS > NR508 / NR 508 final Test Bank Questions & Answers - Chamberlain College of Nursing. (All)

NR508 final Test Bank Questions & Answers Chapter 1. The Role of the Nurse Practitioner Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Nurse...

By Expert#1 , Uploaded: May 13, 2020

**$17**

*NURSING> QUESTIONS & ANSWERS > RN Mental Health Practice B 2016 ATI, Answers Rationales - Chamberlain College of Nursing. (All)

RN Mental Health Practice B 2016 ATI A nurse is caring for a client whose child has a terminal illness. The client requests information about how to deal with the upcoming loss. Which of the followin...

By Expert#1 , Uploaded: May 15, 2020

**$15**

Mathematics> QUESTIONS & ANSWERS > MATH 225N Week 4 Statistics Quiz Solutions: Fall 2020/2021 - Attempt Score : A+ (All)

Question 1 Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the games so far are listed below. 16,14,14,21,15 Find the mean box...

By Book Worm, Certified , Uploaded: Jul 22, 2022

**$13**

*NURSING> QUESTIONS & ANSWERS > NR 293 ATI Pharmacology Final Review_2020 - Chamberlain College of Nursing (All)

A nurse is assessing a client who is taking levothyroxine. The nurse should recognize that which of the following findings is a manifestation of levothyroxine overdose? a) Insomnia i) Rationale: Le...

By charles , Uploaded: Jun 30, 2022

**$7**

*NURSING> QUESTIONS & ANSWERS > NURSING 326 - Psychiatric Mental Health Nursing Test Part 1, Complete Solutions - Chamberlain College Nursing. (All)

NURSING 326 - Psychiatric Mental Health Nursing Test Part 1 1. Your patient is very dependent and submissive. There are times that the patient is very clingy. This behavior reflects what type of...

By Expert#1 , Uploaded: Mar 15, 2020

**$8**

Connected school, study & course

**About the document**

Uploaded On

Apr 27, 2020

Number of pages

25

Written in

This document has been written for:

Uploaded

Apr 27, 2020

Downloads

2

Views

149

Avoid resits and achieve higher grades with the best study guides, textbook notes, and class notes written by your fellow students

Your fellow students know the appropriate material to use to deliver high quality content. With this great service and assistance from fellow students, you can become well prepared and avoid having to resits exams.

Your fellow student knows the best materials to research on and use. This guarantee you the best grades in your examination. Your fellow students use high quality materials, textbooks and notes to ensure high quality

Get paid by selling your notes and study materials to other students. Earn alot of cash and help other students in study by providing them with appropriate and high quality study materials.

In Browsegrades, a student can earn by offering help to other student. Students can help other students with materials by upploading their notes and earn money.

We're available through e-mail, Twitter, Facebook, and live chat.

FAQ

Questions? Leave a message!

Copyright © Browsegrades · High quality services·