2. The following stemplot gives data on the playback time (in hours) for a sample of 22 randomly selectedMP3 players. In this stemplot, 4/2 represents 42 hours of playback.a)1|32/13356893145588410012775161377|1en below. Fill in the missing information. Use the methoddiscussed in the textbook and course videos for finding Q3 by hand.Minimum13Q126MedianMax71(by hand) whether or notQ3there are any outliers. If so, what values are they? Show your calculations!

Answered: Image /qna-images/answer/5c5d30d4-9a7c-43f0-bcc7-47dbcad4bc96.jpg

Answered: 2. The following stemplot gives data on…

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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The table below shows the number of fatal heart attacks in 19 selected European Union countries during 2014 along with the 2014 debt-to-GDP ratios for these countries in 2014. Compare the coefficients of variation and comment on your findings. Country Fatal Heart Attacks 2014* Debt to GDP Ratio** 1 Austria 14,521 225% 2 Belgium 7,792 327% 3 Czech Republic 26,171 128% 4 Denmark 3,943 302% 5 Finland 10,338 238% 6 France 33,513 280% 7 Germany 121,471 188% 8 Greece 12,200 317% 9 Hungary 32,138 225% 10 Ireland 4,283 390% 11 Italy 69,653 259% 12 Netherlands 8,956 325% 13 Poland 38,642 134% 14 Portugal 7,456 358% 15 Romania 50,667 104% 16 Slovakia 13,381 151% 17 Spain 32,564 313% 18 Sweden 12,617 304% 19 United Kingdom 69,325 252%
A sample of 300 items was selected. compute the p-value
Suppose that the mean weight of a particular type of ripe tomato is 155 g, and the variance of the weight of this type of ripe tomato is 576,2. A random sample of n = 36 such ripe tomatoes is obtained. (i) What is the approximate distribution of the sample mean weight of the random sample of 36 ripe tomatoes? D Focus 646 words Accessibility: Investigate 18/01/ ver S Seart 50oalitu. 目
5. A student receives test grades of A+, C+, and F+. The lowest is dropped. Other grades are HW B, Final C, quiz average F-. Weighting is tests 50%, HW 10%, Final 25%, and quizzes 15%. Compute the final weighted average.
A population consists of the following 6 values: {10, 20, 30, 40, 50, 60}. A sample of size 3 will be chosen from this population without replacement and the median of the sample will be computed: { (0.5 (£n/2 + £n/2+1) m = x(n+1)/2 n odd n even In other words, in a sample of size n = 3 ordered from smallest to largest the median is the 2nd number. The median of a discrete random variable, μ, is defined as the value of such that and P(X M) ≤ 0.5 Determine the median of the population. Think of the population as an equally likely sample space. Determine the sampling distribution of the sample median, m for this population by (1) identifying all possible samples (how many are there?), (2) calculating the median in each sample and (3) using that to determine the probability of each median. Calculate E (m) Determine the standard error or the sample median
Q 4: Mr. Ahmed who is a manager at PVR Multiplex Muscat has conducted a survey to investigate the number of people visited the theatre in the last 30 days. The number of people visited the theatre in the last 30 days are: 30, 36, 39, 37, 36, 54, 38, 33, 37, 33, 33, 36, 32, 48, 42, 38, 36, 35, 30, 33, 39, 37, 33, 36, 30, 39, 44, 32, 44 and 50. Find out the grouped frequency distribution using 5 classes. Which graph will be suitable to present the grouped frequency distribution? Give reasons to your answer Cumulative frequency and relative frequency are same. Discuss critically
A study of n = 2252 adults age 18 or older found that 72% of the cell phone users send and receive text messages.15 A study of n = 800 teens age 12 to 17 found that 87% of the teen cell phone users send and receive text messages. What is the best estimate for the difference in the proportion of cell phone users who use text messages, between adults (defined as 18 and over) and teens? Give notation (as a difference with a minus sign) for the quantity we are trying to estimate, notation for the quantity that gives the best estimate, and the value of the best estimate. Be sure to clearly define any parameters in the context of this situation.
Suppose you compile all possible samples of 25 children of preschool age in your school district. If you calculate the mean of each sample (M) and create a frequency distribution of these means, this distribution is referred to as the
Construct a sample (with at least two differentvalues in the set) of 66 measurements whose median is smaller than the smallest measurement in the sample. If this is not possible, indicate "Cannot create sample".
A Geomatics exam taken by 12 students resulted in the following scores: 78, 65, 91, 86, 80, 89, 81, 77, 80, 94, 72, 79 Compute the z-score of the lowest test score (65). Note that this is a small sample (n<30), which needs to be considered in the computations. O 1.65 O-1.97 -2.05 2.05 1.97
10 of 17 > Suppose that the following frequency table contains data on the number of absences in a school year due to illness or injury for 80 randomly selected high school students. Use the table to determine the median number of absences for these 80 students. Provide your answer with precision to one decimal place. Number of Frequency absences 20 1 9. 2. 11 8 4 10 6. 4 3 8 3 9 1 10 11 Click to download the data in your preferred format. Crunchlt! CSV Excel JMP Mac Text Minitab PC Text R SPSS TI Cale median = absences 8
2. Edit the randomfund script to reflect your revised model and run it 600 times. Include a printout of your revised function.

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