Rachel runs a large animal shelter. At Rachel's shelter, the length of stay for puppies has a mean of 41 days and a standard deviation of 13 days. The Lopezfamily adopted a puppy named Thunder from the shelter. When Thunder was adopted, he had been at the shelter for 76 days.(a) Find the -score of Thunder's length of stay at the shelter relative to the the lengths of stay for all the puppies at theshelter. Round your answer to two decimal places.(b) Fill in the blanks to interpret the -score of Thunder's length of stay at the shelter. Make sure to express your answer interms of a positive number of standard deviations.Thunder's length of stay was standard deviations (Choose one)the mean length of stay for all puppies atthe shelter.abovebelow

Answered: Image /qna-images/answer/2871e5db-6a06-427e-9f4d-3495386689a0.jpg

Answered: Rachel runs a large animal shelter. At…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Each of the 5 cats in a pet store was weighed. Here are their weights (in pounds). 13, 12, 5, 12, 9 Find the median and mean weights of these cats. If necessary, round your answers to the nearest tenth. (a) Median: pounds X Ś ? (b) Mean: pounds
Joselyn hopes to receive a grade of B or better in her statistics class. Currently she has scored 75, 83, and 81 on her three in-class tests and also has a homework average of 88. Her professor calculates the class grade by finding the mean of five grades: three in-class tests, the homework average and the final exam. What is the minimum score Joselyn must earn on the final exam to have a class grade (mean) of 80? A. 67 B. 95 C. 70 D. 73
A pet store has 8 cats. Here are their weights (in pounds). 8, 7, 10, 6, 7, 16, 8, 16 Find the mean weight of these cats. If necessary, round your answer to the nearest tenth. pounds × Ś ?
th Last year over 8000 students took an entrance exam at a certain state university. Tom's score was at the 55 percentile. Leila's score was at the 86 percentile. (a) Which of the following must be true about Tom's and Leila's scores? O Tom scored higher than Leila. O Both Tom and Leila scored higher than the median. O Leila answered 31 more questions correctly than Tom. O Tom's and Leila's scores were both in the bottom half of all scores. (b) Which of the following must be true about Tom's score? O Tom scored lower than about 55% of the students who took the exam. O Tom got about 55% of the questions correct. Tom scored higher than about 55% of the students who took the exam. Tom got about 55% of the questions wrong. Submit Assignme Continue iert 144 %23 4. 6. 8 R Y U H K L A. D paus V. B M alt ctri alt USE YOUR Dew de LL
You are a data scientist investigating a new dataset you just received. After some preliminary analysis, you discover that the dataset has a median of 81.45, a Q3 of 86.71, and an IQR of 10.05. Use this information to create a boxplot diagram. What is the value of the lower fence? Note: 1- Only round your final answer. Round your final answer to two decimal places.
The highest score in a distribution is 74 and the lowest score is 51. What is the range?
Mario's weekly poker winnings have a mean of $353 and a standard deviation of $67. Last week he won $185. How many standard deviations from the mean is that?
A class of students took a test. The instructor said that the 75th percentile score was 90 out of 100. What does this mean? A. 90% of the students scored 75 or more on the test. B. 75% of the students scored 90 or more on the test. C. 25% of the students scored 90 or more on the test. D. The high score in the class was (.75)(90).
5. Given an example where you measured the height of 10 of your classmates and computed a mean of 70 inches and standarad diviation of 4 inches, COmpute the T scores for 68 inches and 76 inches.
Statistics teacher realize that his students keep using cell phones during the class. Then he did some research and found out that people use cell phones for 7.2 hours per day on average, and usage time variability around that average is 2.0449. Then he decides to give an assignment of reading books as an alternative of cell phone usage in exchange of 50 extra credit to their statistics exam. After the exam, he collected the data of cell phone usage time from his 127 students and calculated the average cell phone usagetime drops to 6.8 hours per day. a) Under the assumption that probability of uncontrolled factors leading you the wrong statistical decision is five percent, conduct the statistical analysis to decide wheter decrease in the cell phone usage time is real or it happens just because of the random chance b)and interpret the results

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