The following data set represents the number of new computer accounts registered during ten consecutive days:...
The following data set represents the number of new computer accounts registered during ten consecutive days:
43, 37, 50, 51, 58, 52, 45, 45, 58, 130
(a) Compute the mean, median, IQR, and standard deviation
(b) Check for outliers using the 1.5(IQR) rule, and indicate which data points are outliers.
(c) Remove the detected outliers and compute the new mean, median, IQR, and standard deviation.
(d) Make a conclusion about the effect of outliers on the basic descriptive statistics from (a) and (c).
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The following data set represents the number of new computer
accounts registered during ten consecutive days:...
2. The following data set represents the number of new computer accounts registered during ten consecutive days: 43,37, 50, 51, 58, 105, 52, 45, 45,10. a) Computer the mean, quartiles and standard de...
2. The following data set represents the number of new computer accounts registered during ten consecutive days: 43,37, 50, 51, 58, 105, 52, 45, 45,10. a) Computer the mean, quartiles and standard deviation; b) Check for outliers using 1.5(IQR) rule c) Delete the detected outliers and compute the mean, quartiles and standara deviation; d) Explain the difference between results in a) and c)
2. The following data set represents the number of new computer accounts registered during ten consecutive days:...
A quantitative variable has the following statistics: Min = 0 Q1 = 20 M ed =...
A quantitative variable has the following statistics: Min = 0 Q1 = 20 M ed = 25 Q3 = 34 M ax = 70 Which of the following values below would be considered an outlier? 0 8 18 48 58 Part 2: Consider the data set: 24 32 33 37 49 35 31 (a) Calculate the mean, median and IQR (b) Check for outliers using the 1:5(IQR) rule, and indicate which data points are outliers. (c) Remove any outliers and...
The following data represents the number of consecutive minutes (to the nearest minute) 2. spent on...
The following data represents the number of consecutive minutes (to the nearest minute) 2. spent on mobile phones by students attending the University of A. 23 2 26 40 22 52 28 40 19 55 50 52 51 46 51 60 59 45 26 2 48 1 34 10 18 45 29 41 11 43 50 32 37 15 57 17 57 35 50 45 7 22 15 13 20 13 15 32 13 39 25 38 31 16 7...
Use the accompanying data set to complete the following actions a. Find the quartiles. b. Find...
Use the accompanying data set to complete the following actions a. Find the quartiles. b. Find the interquartile range. c. Identify any outliers 41 52 37 45 41 37 40 48 43 38 34 55 44 36 15 53 37 51 29 29 a. Find the quartiles The first quartile, Q, is The second quartile. Q2, is The third quartile, Q3, is (Type integers or decimals.) b. Find the interquartile range. The interquartile range (IQR) is (Type an integer or...
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2:33 LTE X Statistics first homework.pdf 1 Descriptive Statistics Data 20 25 40 41 42 43...
2:33 LTE X Statistics first homework.pdf 1 Descriptive Statistics Data 20 25 40 41 42 43 44 45 46 47 48 49 50 50 51 52 53 54 55 56 57 58 59 60 65 80 90 For the data above calculate and draw the following: a. A Frequency Diagram with 7 classes b.A Histogram A Stem and Leaf Diagram. Don't forget the instruction d. The Five Number Summary e. The Box and Whisker Plot which needs the IQR, the...
1. Descriptive Statistics Data 20 25 40 41 42 43 44 45 46 47 48 49...
1. Descriptive Statistics Data 20 25 40 41 42 43 44 45 46 47 48 49 50 50 51 52 53 54 55 56 57 58 59 60 65 80 90 For the data above calculate and draw the following: a. A Frequency Diagram with 7 classes. b. A Histogram C. A Stem and Leaf Diagram. Don't forget the instruction. d. The Five Number Summary e. The Box and Whisker Plot which needs the IQR, the Lower Fence and Upper...
10. The following is a frequency table of a set of data: Fill in the missing...
10. The following is a frequency table of a set of data: Fill in the missing information Grade Frequency relative frequency 90-100 A 16 80-89 65-79 50-64 Below 50 200 11. In a distribution that is skewed to the right, the mean is: Circle the correct answer. a) less than the median b) more than the median c) The mean and the median are equal in value d) There is inadequate information provided 12. For the given set of numbers...
I literally have no idea what I’m doing. Help!!! Please show work!! Write an essay using...
I literally have no idea what I’m doing. Help!!! Please show
work!!
Write an essay using Word and post it as an attachment to the discussion. Cover the following points. Choose a data set from Stat Disk using one of the following files from 13th Edition Elementary Statistics: Oscar Winner Freshman 15 Word Count Garbage Weights Passive and Active Smoke If the file contains more than one variable, choose a quantitative variable. Create a histogram using your chosen variable and...
The following is a set of data from a sample of n=5. 8 -4 -8 8...
The following is a set of data from a sample of n=5. 8 -4 -8 8 2 Please use a statistical application (data Analysis Toolpak for Windows, StatPlus for Mac Excel, or StatCrunch) to compute the descriptive statistics in a and b. (If you don't know what I'm talking about, go to Module 1 Content - Read/View - Tutorials) a. Compute the mean, median, and mode. b. Compute the range, sample variance, and sample standard deviation c. Compute the coefficient...
2. The following data set represents the number of new computer accounts registered during ten consecutive days: 43,37, 50, 51, 58, 105, 52, 45, 45,10. a) Computer the mean, quartiles and standard deviation; b) Check for outliers using 1.5(IQR) rule c) Delete the detected outliers and compute the mean, quartiles and standara deviation; d) Explain the difference between results in a) and c)
2. The following data set represents the number of new computer accounts registered during ten consecutive days:...
A quantitative variable has the following statistics: Min = 0 Q1 = 20 M ed = 25 Q3 = 34 M ax = 70 Which of the following values below would be considered an outlier? 0 8 18 48 58 Part 2: Consider the data set: 24 32 33 37 49 35 31 (a) Calculate the mean, median and IQR (b) Check for outliers using the 1:5(IQR) rule, and indicate which data points are outliers. (c) Remove any outliers and...
The following data represents the number of consecutive minutes (to the nearest minute) 2. spent on mobile phones by students attending the University of A. 23 2 26 40 22 52 28 40 19 55 50 52 51 46 51 60 59 45 26 2 48 1 34 10 18 45 29 41 11 43 50 32 37 15 57 17 57 35 50 45 7 22 15 13 20 13 15 32 13 39 25 38 31 16 7...
Use the accompanying data set to complete the following actions a. Find the quartiles. b. Find the interquartile range. c. Identify any outliers 41 52 37 45 41 37 40 48 43 38 34 55 44 36 15 53 37 51 29 29 a. Find the quartiles The first quartile, Q, is The second quartile. Q2, is The third quartile, Q3, is (Type integers or decimals.) b. Find the interquartile range. The interquartile range (IQR) is (Type an integer or...
2:33 LTE X Statistics first homework.pdf 1 Descriptive Statistics Data 20 25 40 41 42 43 44 45 46 47 48 49 50 50 51 52 53 54 55 56 57 58 59 60 65 80 90 For the data above calculate and draw the following: a. A Frequency Diagram with 7 classes b.A Histogram A Stem and Leaf Diagram. Don't forget the instruction d. The Five Number Summary e. The Box and Whisker Plot which needs the IQR, the...
1. Descriptive Statistics Data 20 25 40 41 42 43 44 45 46 47 48 49 50 50 51 52 53 54 55 56 57 58 59 60 65 80 90 For the data above calculate and draw the following: a. A Frequency Diagram with 7 classes. b. A Histogram C. A Stem and Leaf Diagram. Don't forget the instruction. d. The Five Number Summary e. The Box and Whisker Plot which needs the IQR, the Lower Fence and Upper...
10. The following is a frequency table of a set of data: Fill in the missing information Grade Frequency relative frequency 90-100 A 16 80-89 65-79 50-64 Below 50 200 11. In a distribution that is skewed to the right, the mean is: Circle the correct answer. a) less than the median b) more than the median c) The mean and the median are equal in value d) There is inadequate information provided 12. For the given set of numbers...
I literally have no idea what I’m doing. Help!!! Please show
work!!
Write an essay using Word and post it as an attachment to the discussion. Cover the following points. Choose a data set from Stat Disk using one of the following files from 13th Edition Elementary Statistics: Oscar Winner Freshman 15 Word Count Garbage Weights Passive and Active Smoke If the file contains more than one variable, choose a quantitative variable. Create a histogram using your chosen variable and...
The following is a set of data from a sample of n=5. 8 -4 -8 8 2 Please use a statistical application (data Analysis Toolpak for Windows, StatPlus for Mac Excel, or StatCrunch) to compute the descriptive statistics in a and b. (If you don't know what I'm talking about, go to Module 1 Content - Read/View - Tutorials) a. Compute the mean, median, and mode. b. Compute the range, sample variance, and sample standard deviation c. Compute the coefficient...
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