To persuade his parents to contribute to his new car fund, Carmine has spent the last week surveying the ages of 2,000 cars on campus. His findings are reflected in the following frequency table.Age of Car(years)x =Numberof Cars01234140 350 450 650 200512067850 15 59 1015 5Carmine's jalopy is 7 years old. He would like to make the following claim to his parents: "x percent of students have cars newer than mine." Use a relative frequency distribution to find x.%

Given: The given data is shown below. Age of Car (years) Number of cars 0 140 1 350 2 450…

Answered: To persuade his parents to contribute…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Consider the following frequency table representing the distribution of cost of lunch (in dollars). Step 2 of 2: Determine the cumulative frequency for the fourth class. Answer Cost of Lunch (in Dollars) Class 6.1-6.9 7.0-7.8 7.9-8.7 8.8-9.6 9.7-10.5 Frequency 10 15 3 3 14
D1)
Question 4 The data below represents the number of T-shirts sold per week by a student who started his own online T- shirt business. Find the mean number of T-shirts sold per week. (Round your answer to the nearest tenth if necessary.) T-Shirts Sold per Week 2 4 6 8 Mean = Frequency 2 4 1 5
Question 11 A sample of adults was asked to indicate the amount of money, in dollars, they would be willing to spend on a wedding gift. When a histogram was constructed based on the responses given by each adult, most of the dollar amounts were on the larger side, with only a few dollar amounts on the smaller side. Two measures of center were calculated for this sample: $150 and $279. One of these measures is the mean, and the other is the median. Which measure must be the mean? The mean is $279 because the distribution of dollar amounts would be skewed to the left. The mean is $279 because the distribution of dollar amounts would be skewed to the right. The mean is $150 because the distribution of dollar amounts would be skewed to the left. The mean is $150 because the distribution of dollar amounts would be skewed to the right.
The correlation between midterm and final grades for 300 students is 0.620. If 5 points are added to each midterm grade, the new r will be: a. 0.124 b. 0.57 c. 0.62 d. 0.744
Students were asked what grades they usually get in school. For twelfth-grade students who responded to this question and the question about how often they wear seatbelts when driving, a summary of frequency counts for combinations of responses to the two questions is as follows. WearsSeatbelt Usual School Grades A and B C D and F Total Never 55 40 17 112 Rarely 129 95 21 245 Sometimes 168 109 9 286 Most times 290 129 25 444 Always 1,059 305 50 1,414 Total 1,701 678 122 2,501 (a) The total number of students in the table is 2,501. What percentage of these 2,501 students said that they usually get A's and B's in school? (Round your answer to one decimal place.) % (b) What percentage of the 1,701 students who said that they usually get A's and B's said that they always wear a seatbelt when driving? (Round your answer to one decimal place.) % (c) What percentage of the 678 students who said that they usually get C's said that they always wear a…
The following data are the score of 24 students in Midterm Examination. If JM is one of these 24 students and got a score of 80, in what percentile does her score belong?
Given the following frequency distribution table for a set of data about the weights of rainbow trout (in pounds) caught by all visitors at a lake on a Saturday afternoon, construct a histogram that accurately summarizes the data. Weight (in pounds) Frequency 4.5-6.5 5 6.5-8.5 2 8.5-10.5 5 10.5-12.5 6 12.5-14.5 2 14.5-16.5 1 Create the corresponding histogram to represent this data below. Drag the dots on the top of the histogram to create the chart.
QUESTION ONEA. Develop a histogram for the frequency distribution below, the commutingdistance for 50 employees of a particular company. Commuting Miles Frequency 0-under 4 3 4-under 8 10 8-under 12 6 12-under 16 16 16-under 20 6 20-under 25 9 Total 50 B. A statistics professor administered an exam to three different classes. The 8:00 class had 20 students and an average score of 82.4. The 9:00 class had 24 students and an average of 78.9. The 29 students in the 10:00 class had an average of 87.3. Calculate the overall average for all three classes combined.C. The following table summarizes the grade point averages (GPAs) of graduatestudents in a statistics class. Approximate the mean GPA of the class. GPA Frequency 3.0-under 3.2 5 3.2-under 3.4 9 3.4-under 3.6 6 3.6-under 3.8 16 3.8-4.0 2 D. The following table lists the number of days that 15 houses in a particular areawere on the market…
For the following question, look at the table below that shows the frequency of ages in a sample: Cumulative Age in Years Frequency Percent Percent 18 5 5% 5% 20 15 15% 20% 21 13 13% 33% 22 10 10% 43% 25 25 25% 68% 28 11 11% 79% 30 12 12% 91% 32 5% 96% 35 4 4% 100% What percent of the sample is 30 years old or younger? 12% 68% 91% 11 participants
According to dmbalmanac.com, the breakdown of albums from which Dave Matthews sang at his 'Solo at Home' tour during the Coronavirus are depicted in the frequency distribution below. What percent of his songs were from 'Big Whiskey and the GrooGrux King'? Dave Matthews songs Albums Unreleased 20.5% Dave Matthews - Some Devil 14.3% Busted Stuff 8.0% Cover Songs 8.0% Away from the World 8.0% Under the Table and Dreaming 7.1% Come Tomorrow 7.1% Crash 6.3% Before These Crowded Streets 6.3% Remember Two Things 3.6% Stand Up 3.6% Miscellaneous Release 2.7% Everyday 1.8% Big Whiskey and the GrooGrux King Live Collaboration 0.9%
2-8. You are given the following data: 10 6 4 9 5 5 5 7 2 5 5 5 4 5 7 7 8 8 4 7 5 5 5 7 8 7 7 5 4 4 7 4 7 7 6. 8 6. 5 7 6 4 4 d. Develop a relative frequency histogram. e. Compare the two histograms. Why do they look alike? 499 448 n4 6 673

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