Suppose a random sample of size 7 gives the following data:9.101214152342a)Calculate the mean and median of the data.b)I Based on your answer in part a, describe the shape of the distribution.Explain your reasoning.c) 'Calculate the 5 number summary for the data and find the interquartilerange.d)'Create a boxplot of the data. Are there any outliers?3.

Given that ; A data set is 9, 10,12 , 14,15,23,42 n = 7 We use formuae Mean = sum of all…

Answered: 3. Suppose a random sample of size 7…

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 heights (in cm) of students in a class are: {156, 152, 148, 159, 150} a) Determine the mean and the median. b) A new student with a height of 255 cm joins the class. How does the new data value (outlier)affect the mean and the median?
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1. The box plot at the right represents the weights of players on a high school football team. a. What is the interquartile range of the weights of the football players? b. Determine the median of the weights of the football players. c. Does the distribution of the wieights of football players appear to be symmetric? Why or why not?
The following set of data is given 78,79,79,79, 80, 82, 82, 85, 86, 88, 89, 92, 97. For this set of data find: a) The value of the median and the quartiles. b) The mean, mode and the standard deviation. c) Draw a suitably labelled box plot and determine the interquartile range. d) State if there is any type of skew
A SRS of 15 college students was undertaken to determine the number of hours they worked. The results are summarized below. 0 7 11 12 13 14 14 15 15 16 17 17 23 30 40 c) Find the interquartile range (IQR). d) Use the 1.5*IQR rule to determine if the data set has outliers. e) What are the outliers if any exist?
7 Answer: Calculate the median of the following sample data: 8 10 7 14 53 22 5 5 5 22 Answer: O E ho
The number of cookies found in 10 different snack bags are shown below: 14, 12, 14, 13, 14, 14, 14, 15, 14, 12 Which center should be used to best represent the data? O a) The range of the number of cookies is 3. O b) The mean number of cookies is 13.6. Od The median number of cookies is 14. O d) The mode of the number of cookies is 14.
Several Grade 10 students wrote a Physical Education exam and their results are below: 77 78 80 75 79 98 82 83 81 77 Phys Ed Test Marks 70 73 79 83 70 74 78 79 73 81 75 77 51 71 79 79 84 71 72 75 a) Determine the mean, median, mode of the set of marks. b) What are the outliers in this situation? c) Jason's mark was 80%. What is Jason's percentile rank?
20. Using 500 observations, the following five-point summary was obtained for a variable. Min 125 Q1 200 Median 300 Q3 550 Max 1300 a. Interpret Q1 and Q3. b. Calculate the interquartile range. Determine whether any outliers exist. c. Is the distribution symmetric? If not, comment on its skewness.
b) The Table below shows the average score of the150 students sampled from the University of the East Europe in the academic year 2020/2021. Score (out of 100) Number of students 40-49 19 50-59 32 60-69 49 70-79 29 80-89 21 1. calculate the mean score of the students ii. identify the modal score i11. identify the median score IV. Use your results above to comment on the shape of the distribution. Give a reason for your answer.
Below is the 5 Number summary for a set of sample data: 17 25 27.5 33 47 Determine the value of the upper fence (the boundary above which values would be considered outliers) and enter it as your numerical answer.

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