Homework Answers
Solution:
Histogram A matches statistic summary III.As mean is equal to median (60=60), and this is symmetric data.
Histogram B matches statistic summary II. As mean is less than median(62<67) and histogram looks like negatively skewed and left skewed data.
Histogram C matches IV as Mean is greater than median (66>57) and histogram looks positively skewed and right skewed data.
Histogram D matches summary statistic I.
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Problem #1-Matching: Match the histograms to the summary statistics (I, II, III, or IV): Mean Median...
Match the histograms on the right to the summary statistics given. 20- Standard Deviation Mean Median...
Match the histograms on the right to the summary statistics given. 20- Standard Deviation Mean Median 10- 54 54 1.5 59 59 11 II 54 0- 54 24 34 44 54 64 74 84 IV 54 54 19 (a) (a) 20- (b) 10- (c) (d) 0- 34 44 54 64 74 84 (b) onnba fouanbas 20- 10- 0+ 49 51 53 55 57 59 (c) 10- 5- 0+ -6 14 34 54 74 94 114 (d) Frequency Frequency
Match the...
Match the histograms on the right to the summary statistics given. 20- Standard Mean Median Deviation...
Match the histograms on the right to the summary statistics given. 20- Standard Mean Median Deviation 10- 1 54 54 1.5 59 59 11 0- 24 34 44 54 64 74 84 II 54 54 9 IV 54 54 19 (a) (a) 20- (b) 10- (c) (d) 0- 34 44 54 64 74 84 (b) fouanbes4 ouanbaia 20- 10- 0- 49 57 59 (c) 10- 0- 6 14 34 54 74 94 114 (d) 55 53 51 nanbau Frequency
Match...
ALT est 3 g. Match the histograms on the right to the summary statistics given. Standard...
ALT est 3 g. Match the histograms on the right to the summary statistics given. Standard Mean Median Dviation 52 61 52 52 52 61 52 52 1.5 36 46 56 6676 86 10 19 IV c) (3) -8 12 32 52 72 92 112 47 49 51 53 55 57 10-1 22 32 42 52 62 72 82 Οι O lI
The histograms in problem 12 is also used for problem 13. Data were collected on the...
The histograms in problem 12 is also used for problem 13. Data were collected on the hourly wage (S) for two types of marketing managers: (1) advertising managers and (2) sales managers. The results were used to create the histograms below. Note: In the diagram below advertising is called advertising promotion. 12) Pick the best answer: The median hourly wage of advertising and sales managers are A) Approximately $35 and $45 an hour respectively. B) Approximately $40 and $40 an...
Active Learning 2: Choosing a Bin Size for Histograms 2. A class of 15 students receives...
Active Learning 2: Choosing a Bin Size for Histograms 2. A class of 15 students receives the following grades on an exam. Choose a bin size and create a histogram. Find the mean. Interpret the histogram in the context of the Find the median, Q1 and Q3. Draw and label vertical lines to indicate these on the histogram. Is it possible to estimate the middle 50% from a histogram without finding these statistics? Explain. 88, 48, 60, 51, 57, 85,...
Calculate the range, mean, mode, median, Standard deviation Calculate the skewness and kurtosis for the above...
Calculate the range, mean, mode, median, Standard deviation Calculate the skewness and kurtosis for the above data and interpret the data. The following is data collected from the daily salary employees of ZZ COMPANY.. 68 19 43 11 37 30 19 67 65 34 96 23 93 73 46 39 21 12 89 52 33 21 18 57 80 56 91 62 56 48 84 23 78 96 49 36 90 42 65 15 43 36 65 59 34 71...
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...
Problem 4: Variables that may affect Grades The data set contains a random sample of STAT 250 Final Exam Scores out of 80 points. For each individual sampled, the time (in hours per week) that the stu...
Problem 4: Variables that may affect Grades The data set contains a random sample of STAT 250 Final Exam Scores out of 80 points. For each individual sampled, the time (in hours per week) that the student spent participating in a GMU club or sport and working for pay outside of GMU was recorded. Values of 0 indicate the students either does not participate in a club or sport or does not work a job for pay. The goal of...
Problem 1: Confidence Interval for Percentage of B’s. The data set “STAT 250 Final Exam Scores”...
Problem 1: Confidence Interval for Percentage of B’s. The data set “STAT 250 Final Exam Scores” contains a random sample of 269 STAT 250 students’ final exam scores (maximum of 80) collected over the past two years. Answer the following questions using this data set. a) What proportion of students in our sample earned B’s on the final exam? A letter grade of B is obtained with a score of between 64 and 71 inclusive. Hint: You can do this...
Match the histograms on the right to the summary statistics given. 20- Standard Deviation Mean Median 10- 54 54 1.5 59 59 11 II 54 0- 54 24 34 44 54 64 74 84 IV 54 54 19 (a) (a) 20- (b) 10- (c) (d) 0- 34 44 54 64 74 84 (b) onnba fouanbas 20- 10- 0+ 49 51 53 55 57 59 (c) 10- 5- 0+ -6 14 34 54 74 94 114 (d) Frequency Frequency
Match the...
Match the histograms on the right to the summary statistics given. 20- Standard Mean Median Deviation 10- 1 54 54 1.5 59 59 11 0- 24 34 44 54 64 74 84 II 54 54 9 IV 54 54 19 (a) (a) 20- (b) 10- (c) (d) 0- 34 44 54 64 74 84 (b) fouanbes4 ouanbaia 20- 10- 0- 49 57 59 (c) 10- 0- 6 14 34 54 74 94 114 (d) 55 53 51 nanbau Frequency
Match...
ALT est 3 g. Match the histograms on the right to the summary statistics given. Standard Mean Median Dviation 52 61 52 52 52 61 52 52 1.5 36 46 56 6676 86 10 19 IV c) (3) -8 12 32 52 72 92 112 47 49 51 53 55 57 10-1 22 32 42 52 62 72 82 Οι O lI
The histograms in problem 12 is also used for problem 13. Data were collected on the hourly wage (S) for two types of marketing managers: (1) advertising managers and (2) sales managers. The results were used to create the histograms below. Note: In the diagram below advertising is called advertising promotion. 12) Pick the best answer: The median hourly wage of advertising and sales managers are A) Approximately $35 and $45 an hour respectively. B) Approximately $40 and $40 an...
Active Learning 2: Choosing a Bin Size for Histograms 2. A class of 15 students receives the following grades on an exam. Choose a bin size and create a histogram. Find the mean. Interpret the histogram in the context of the Find the median, Q1 and Q3. Draw and label vertical lines to indicate these on the histogram. Is it possible to estimate the middle 50% from a histogram without finding these statistics? Explain. 88, 48, 60, 51, 57, 85,...
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...
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