The following histogram shows the exam scores for a Prealgebra class. Use this histogram to answer the questions.Frequency24201684070.51675.5Prealgebra Exam Scores1580.5∞85.5Scores1790.595.511100.5Step 5 of 5: Find the percentage of students that scored higher than 90.5. Round your answer to the nearest percent.

Answered: The following histogram shows the exam…

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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Find the following for the data shown: 1 5 14 17 30 31 39 44 49 55 74 86 94 100 What is the percentile of the data value 44? Round to the nearest whole number. Which data value represents the 20th percentile?
Calculate the percentile for a student whose exam score is 81. Round your answer to the nearest whole number. x 50 57 58 60 60 64 66 67 67 70 72 75 75 75 79 80 83 83 83 86 87 87 88 89 95 96 96 99
Read the following questions carefully. Answer each item using the Zipgrade answer sheet. For numbers 1-5. Refer to the table at the right. class 1. In which class can you find the location of the 30th percentile? interval frequency cumulative (1) A. 21-25 46-50 6 B. 26-30 D. 36-40 41-45 11 C. 31-35 36-40 14 31-35 21 2. Which frequency will you A. 8 B. 10 use if you are to solve for P39? C. 21 D. 14 26-30 10 21-25 8 3. What is the 6th decile? A. 36.47 B. 36.57 C. 36.67 D. 36.77 4. What is the value of the 81st percentile? A. 42.18 B. 42.28 C. 42.38 D. 42.48 5. What is the value of the lower quartile? A. 30.5 B. 30.15 C. 30.25 D. 30.35 f CLASS INTERVAL 31-35 26-30 For numbers 6-12. Refer to the table at the right. The following data represent the difference in scores between the winning and losing teams in a sample of 35 college football games from 2004-2005. 21-25 16-20 11-15 6-10 6. Where is the location of the 4th decile? 1-5 A. 11th B. 12th C. 13th D. 14th 7. Which lower boundary…
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Click the icon to view the histogram. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 92.5 26 25- 114.5 136.5 20- 158.5 15- 12 Ef = Exf = 10- Find the mean of the data set. 5- X = (Round to the nearest tenth as needed.) 48.5 70.5 92.5 114.5 136.5 158.5 Complete the table. Round values to the nearest tenth as needed. Midpoint x (x-x)? (x-x)?f X-X 70.5 Print Done 92.5 114.5 136.5 158.5 (x-x)?r= ] of
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Here are the scores for 15 students on a math test. 89, 86, 88, 92, 94, 91, 77, 75, 82, 93, 81, 87, 95, 73, 72 Draw the histogram for these data. Frequency 5+ 4+ 3+ 1+ 72-77 78-83 84-89 90-95 Scores
Find the percentile rank for each value in the data set. The data represent the values in billions of dollars of the damage of 6 hurricanes. Round to the nearest whole percentile. 2.3, 3.3, 6.2, 7.9, 9.6,11.3
Jessica counts how many customers have come into her restaurant for the past 30 days. The table below shows the number of customers per day. 135 137 136 137 138 139 140 139 137 140 142 146 148 145 139 140 142 143 144 143 141 139 137 138 139 136 133 134 132 132 She would like you to create a histogram for her starting at 130 with a bin width of 5. Which bar is the tallest? The first bar The second bar The third bar The fourth bar
Construct a frequency and relative frequency distribution table: (Round relative frequences to 2 decimal places) Froquoncu
Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard deviation of 1.00°C. A thermometer is randomly selected and tested. Draw a sketch and find the temperature reading corresponding to P34, the 84th percentile. This is the temperature reading separating the bottom 84% from the top 16%. Click to view page 1 of the table. Click to view page 2 of the table. Which graph represents P ? Choose the correct graph below. 84 A. В. OC. D. Ay X The temperature for P84 is approximately (Round to two decimal places as needed.)
Find the following for the data shown: 6 29 65 96 28 30 66 95 What is the percentile of the data value 66? Round to the nearest whole number. Which data value represents the 20th percentile?

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