C. The following table summarizes the grade point averages (GPAS) of graduatestudents in a statistics class. Approximate the mean GPA of the class.GPAFrequency3.0-under 3.23.2-under 3.46.3.4-under 3.66.3.6-under 3.8163.8-4.0D. The following table lists the number of days that 15 houses in a particular areawere on the market waiting to be sold. Calculate the IQR to determine whetherthe data set contains any outliers.

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Answered: C. The following table summarizes the…

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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You work at a bank and are asked to recommend the amount of cash to put in an ATM each day. You don't want to put in too much (security) or too little (customer irritation). Complete parts (a) through (c) below. Click the icon to view the the daily withdrawals (in 100s of dollars) for a period of 30 days. (a) Choose the correct relative frequency histogram for the data using eight classes below. O A. A 0.4- 0.3- 0.2 0.1- 0- C. A 0.4+ 0.3+ 0.2+ 0.1+ 0 58 62 66 70 74 78 82 86 59.5 63.5 67.5 71.5 75.5 79.5 83.5 87.5 (b) If you put $7750 in the ATM each day, what percent of the days in a month should you expect to run out of cash? 16.7 % (Round to the nearest tenth as needed.) (c) If you are willing to run out of cash for 10% of the days, how much cash should you put in the ATM each day? $ (Round to the nearest hundred dollars as needed.) 58 76 67 B. 88 71 73 0.4 0.3- 0.2- 0.1- 0- A 0.4- 0.3- 0.2- 0.1+ 0- Data Table 62 66 70 74 78 82 86 88 59.5 63.5 67.5 71.5 75.5 79.5 83.5 87.5 73 65 70…
Grade-point averages. Find the mean and median for the grouped data in the following table. Interval Frequency 1.95 - 2.15 2.15 - 2.35 2.35 - 2.55 2.55 - 2.75 2.75 - 2.95 2.95 - 3.15 3.15 - 3.35 3.35 - 3.55 3.55 - 3.75 3.75 - 3.95 20 19 15 14 7 4 2
South Dakota prices vary $350,000: $400,000:$400,000:$425,000:$429,000: $440,000: $560,000: $585,000,: $585,000: $785,000 : $1,300,000. We found the following Mean = 569000 SD = 272703.1353 T score = .7113 P Value = .4932 We failed to reject the hypothesis. What is a 95% confidence interval and how would you create one for the population average price? What would it look like. How does this related to Central limit therorem? If you had a margin of error of $13,000 how large of sample would you need with a 90% confidence interval using the given tscore.
Grade-point averages. Find the mean and median for the grouped data in the following table. Interval 1.95−2.15 2.15−2.35 2.35−2.55 2.55−2.75 2.75−2.95 2.95−3.15 3.15−3.35 3.35−3.55 3.55−3.75 3.75−3.95 Frequency 19 15 13 12 10 5 4 5 2 1 Mean = ______. (Round to two decimal places.) Median = ______.
None
The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 1 4 1 7 4 8 4 9. 10 2 The mean score on this test is: The median score on this test is: Check Answer
Commercial break: Following are the amounts spent (in millions of dollars) on media advertising in the United States by a sample of nine companies in 2013. 286.9 362.9 331.2 394.6 257.0 463.5 340 1 295.9 722 5 Send data to Exce (a) Find the mean amount spent on advertising. Round the answer to at least two decimal places. (b) Find the median amount spent on advertising.
The following table shows the distribution of scores on a final elementary statistics examination for a large section of students. 0.12 The cumulative relative frequency for the class 60-70 (i.e. what percentage of students scored 70 or lower) is 0.06 0.57 Classes for Exam Scores 90 and over 80-90 70 - 80 60-70 50 - 60 40 - 50 Under 40 0.43 Number of Students 5 12 40 18 13 6 6
The following table summarizes the grade point averages (GPAs) of graduatestudents in a statistics class. Approximate the mean GPA of the class.
Which one of the following summary statistics best matches the data on the abundance of various bird species shown here? Frequency (No. species) 25 20 15 10 5 0 0 Mean = Mean = Mean = 100 200 300 400 500 600 Abundance (No. individuals) 75 individuals, s.d. = 122 individuals 300 individuals, s.d. = 14871 individuals 10 individuals, s.d. = 10 individuals Mean = 10 individuals, s.d. = 14871 individuals Mean 75 individuals, s.d. = 14871 individuals
The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 4 4 2 5 2 6 3 7 1 8 4 9 2 10 1 The mean score on this test is: IncorrectThe median score on this test is: Show your work

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C. The following table summarizes the grade point averages (GPAS) of graduale students in a statistics class. Approximate the mean GPA of the class. GPA Frequency 3.0-under 3.2 3.2-under 3.4 6. 3.4-under 3.6 6. 3.6-under 3.8 16 3.8-4.0