Use the following information to answer questions 13 - 15.The following frequency distribution represents the final scores in a statscourse.Class50 - 6060 - 7070 - 8080 9090 10013.Approximately what percent of applicants scored less than 70?Frequency1214.The approximate mean of the scores is15.The approximate standard deviation of the scores i

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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 mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 55,8 degrees. Low Temperature (o F) Frequency 40 -44 45-40 50 -54 55-50 80-64 O 2 10 1 The mean of the frequency distribution is degrees. (Round to the nearest tenth as needed.)
Test 1, #2. Given the small data sample below, complete the following tasks by hand: 37 42 31 38 43 35 33 40 32 a. Find the standard deviation of the data sample. CE COLLEGE COLLEGE
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Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 52.7 degrees. Low Temperature (°F) Frequency 40-44 45-49 50-54 10 55-59 6 60-64 Find the mean of the frequency distribution, Round to the nearest tenth as needed. Which of the following best describes the relationship between the computed mean and the actual mean?
please do this typewritten and thru excel
The table on the right gives the annual income for eight families, in thousands of dollars. Find the number of standard deviations family E's income is from the mean. Family A B C D E F G H Income 46 50 46 47 48 47 44 48 Question content area bottom Part 1 How many standard deviations is family E's income from the mean? enter your response here (Round to three decimal places as needed.)
Run the descriptive statistics for hrs/week of exercise. Include the mean, median, quartiles, min, max, standard deviation and IQR. First do this for hrs/week of exercise overall. Copy and paste the values below. Then redo this splitting up the data by sex. Copy and paste that below too. What similarities and/or differences do you see? Age Gender Height Arm Length Number Siblings Birth Order Handedness Number Classes Number Credits Hrs. Exercise Athlete at Broome Hrs. TV Award Pulse Number Piercings Facebook Friends Followers on Instagram Tattoo Division Local section 18 f 63 27.5 2 3 r 4 14 1.5 n 3 NP 74 2 82 72 n HS y 4 19 m 74 31.5 4 5 r 4 11 5 n 1.5 O 0 600 700 n STEM y 4 17 f 66 29.2 2 2 l 6 15 5 y 21 NP 64 2 1801 1370 n HS y 4 18 f 66 30 5 5 r 4 12 30 n 15 NP 91 1…
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D Question 24 The weights of cats is Normally Distributed. The mean weight is 10 lbs with a standard deviation of 0.2 lbs. Draw the normal curve and fill in the cut scores and percentages. Then answer the questions below: Based on a sample of 600 cats, how many would you expect to weigh more than 10.4 lbs? Based on a sample of 600 cats, how many would you expect to weigh at least 9.8 lbs. but not more than 10.2 lbs? Based on a sample of 600 cats, how many would you expect to weigh more than 10 lbs?
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 57.4 degrees. The mean of the frequency distribution is (Round to the nearest tenth as needed.)
Dianne has a choice of two routes to drive to work. She timed her journey along each route on several occasions and the times in minutes are given below:Town route: 15, 16, 20, 28, 21Country route: 19, 21, 20, 22, 18(i) Calculate the mean and standard deviation (to one d. p.) of each set of journey times.(ii) Which route would you recommend? Give a reason.
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 Pa1, the 91st percentile. This is the temperature reading separating the bottom 91% from the top 9%. Click to view page 1 of the table Click to view page 2 of the table. Which graph represents Pa,? Choose the correct graph below. OD. Oc. OB. OA. Ay The temperature for P91 is approximately . (Round to two decimal places as needed.) XLSX Click to select vour answerls). 33283.xls Exit Honorlock 22 MacBook Air 吕0 000 000 F4 F3 F6 F7 F8 F9 FIC #3 2$ * 3 4 5 6 7 8 E R Y U

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