MATH 225N MATH Week 2 Graphs Homework Help Questions and Answers latest 2024, Exams of Nursing

Download MATH 225N MATH Week 2 Graphs Homework Help Questions and Answers latest 2024 and more Exams Nursing in PDF only on Docsity! 1 Week 2 Assignment: Frequency Tables Q & A 1. A data set is summarized in the frequency table below. Using the table, determine the number of values less than or equal to 5. Give your answer as a single number. For example if you found the number of values was 19, you would enter 19. Value Frequency 3 9 4 4 5 3 6 7 7 6 8 3 9 3 10 5 11 4 Provide your answer below: 16 2. Given the frequency table, how many times does the data value 3 show up in the data set? 2 Data Frequency 1 3 3 5 4 2 6 3 8 11 10 3 Answer : 5 5 Value Frequency 4 0.3 5 0.55 6 0.6 7 1 Value Frequency 4 0.35 5 0.55 6 0.6 7 1 5. A group of students were surveyed about the number of books they read last summer. Their responses are summarized in the frequency table below. How many students responded to the survey? Number of Books Frequency 0−1 2 2−3 9 4−5 7 6−7 3 8−9 1 10 or more 2 Provide your answer below: 24 6 Yes that's right. Keep it up! 6. The ages of the students in an art class at the community center are listed below. 9,11,14,14,16,21,24,26,32,33,37,38,38,52,53,55 Complete the frequency table. 1,4,3,5,0,3 7 7. A data set is summarized in the frequency table below. Using the table, determine the number of values less than or equal to 7 in the data set. Give your answer as a single number. For example if you found the number of values was 16, you would enter 16. Value Frequency 3 8 4 4 5 3 6 2 7 2 8 7 9 3 10 6 11 3 12 7 10 10. As a member of a marketing team, you have been tasked with determining the number of DVDs that people have rented over the past six months. Their responses are summarized in the relative frequency table below. What is the cumulative relative frequency of customers who rent 27 or fewer DVDs? 11 Provide your answer below: .85 11. Given the relative frequency table below, which of the following is the corresponding cumulative relative frequency table? "Value " " Frequency " "4 " " 0.28 " "5 " " 0.24 " Number of DVDs Rented Relative Frequency Cumulative Frequency 10-15 0.30 0.30 16-21 0.35 0.65 22-27 0.20 .85 28-33 0.15 1.00 12 "6 " " 0.04 " "7 " " 0.2 " "8 " " 0.24 " Select the correct answer below: Value Frequency 4 0.28 5 0.6 6 0.68 7 0.84 8 1 Value Frequency 4 0.28 ~ 9 Aauanbasy “ Values + ” Aduanbea.y Nn Values + m Aduanbed4 n Values  16 17 13. Describe the shape of the given histogram. Select the correct answer below: uniform unimodal and symmetric unimodal and left-skewed unimodal and right-skewed Bimodal 20 uniform unimodal and symmetric unimodal and left-skewed unimodal and right-skewed bimodal 21 16. The histogram below represents the prices of digital SLR camera models at a store. Describe the shape of the distribution. Select the correct answer below: uniform unimodal and symmetric unimodal and left-skewed unimodal and right-skewed Bimodal 17. Given the following histogram for a set of data, how many values in the data set are between 5.5 and 8.5? 22 Provide your answer below: 17 18. Describe the shape of the given histogram. 25 20. The author of a book wants to know what price his book is being sold for. He gets the price from all the bookstores in a city and creates a histogram of the results. What is the shape of the distribution? Select the correct answer below: uniform unimodal and symmetric unimodal and left-skewed unimodal and right-skewed bimodal 21. Given the following histogram for a set of data, how many values in the data set are between 7.5 and 9.5? 26 Provide your answer below: 4 27 22. Gail is a car salesperson, who keeps track of her sales over time. The line graph below shows the data for the number of cars she sells per week. At what week were her sales 8? Do not include the unit in your answer. Provide your answer below: 5 23. Porter is keeping track of the total number of books he has read over time. The line graph below shows the data. 30 A side-by-side bar graph has a horizontal axis labeled Classes with groups Chemistry and Law and a vertical axis labeled Students from 0 to 14 in increments of 2. There are two vertical bars over each horizontal axis label, with the bar on the left representing men and the bar on the right representing women. The heights of 31 the bars are as follows, with the horizontal axis label listed first and the bar heights listed second from left to right: Chemistry, 14 and 11; and Law, 12 and 13. How many total students are in the Chemistry class? Do not include the units in your answer. Provide your answer below: 25 26. An accounting manager is conducting research on how many times each accountant in the office checks their work. The following table shows the number of times each accountant checks their work. Check Work Frequency None 6 Once 3 Twice 2 Three times 0 Four times 0 27. The accounting manager encourages accountants to check their work at least two times to ensure there are no calculation errors. According to the data above, should the accounting manager be concerned about errors made in the work conducted at the office? Select the correct answer below: No, the accounting manager should not be concerned because everyone in the office is checking their work at least two times. No, the accounting manager should not be concerned because everyone in the office is checking their work at least three times. 32 Yes, the accounting manager should be concerned because no one in the office is checking their work. Yes, the accounting manager should be concerned because a majority of employees are not checking their work. 28. Jackie invited her friends over for a movie night. She asked each of her friends coming over about their favorite movie snack. The following table shows the favorite movie snacks of her friends. Movie Snack Frequency Popcorn 14 Nachos 3 Candy 8 35 What was the change in cars sold from week 2 to 6? Do not include the unit in your answer. Provide your answer below: -8 (negative 8) 32. A set of data is summarized by the stem and leaf plot below. Stem1234Leaf1356671123348900002367788811122334567777 Provide your answer below: 36 There are 8 values in the data set which are greater than or equal to 20 and less than or equal to 29. There are 6 values in the data set which are greater than or equal to 10 and less than or equal to 19. There are 14 values in the data set which are greater than or equal to 40 and less than or equal to 49. 33. A set of data is summarized by the stem and leaf plot below. 37 Stem1234Leaf0000112234458999901236677888900000013455679999233 35567777889 Which of the following statements are true? Select all correct answers. Select all that apply: The value 18 appears 0 times in the data set. The value 39 appears 4 times in the data set. The value 21 appears 2 times in the data set. The value 37 appears 0 times in the data set.