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The two Stem-and-Leaf plots below are data set for two searate exams, let's call them Exam...
4) The following is a Stem and Lead MINITAB out that represents the scores of Exam...
4) The following is a Stem and Lead MINITAB out that represents the scores of Exam #1 in Math 260. Stem-and-LeafDisplay: Scores Stem-and-leaf of Scores N45 11255 022446 045 1235578 559 79 13368 177 005489 015 10 0 Given the data abeve, b. What score separates the botom 95% from the top 5 %7 a. Determine Q c. What is the percentile of the score 67 d. List the Five Number Summary. ) Given the data set of 23, 56,...
Problem #6: Consider the data set that is summarized in the Minitab Output below Stem-and-Leaf Display: C1 Stem-and-lea...
Problem #6: Consider the data set that is summarized in the Minitab Output below Stem-and-Leaf Display: C1 Stem-and-leaf of Ci N = 13 Leaf Unit = 1.0 1 1 5 2 2 7 2 3 4 4 17 |(6) 5 339999 3 6 357 (a) Find the values of Q1 and Q3. (b) Find the median (c) Find the adjacent values (Note: Read the last two pages of this file for the relevant definitions, and for an example.) (d) Which...
Consider the following stem and leaf display for a set of sample data. Stem Leaves (unit...
Consider the following stem and leaf display for a set of sample data. Stem Leaves (unit = 0.01) 0 |9 1 |5 6 2 |1 a 8 9 3 |2 3 5 7 8 4 |4 5 b 9 5 |2 3 9 (a) (i) Find the 1st Quartile (?1) and 3rd Quartile (?3) in terms of a and b. (2 marks) (ii) Suppose the inter-quartile range is 0.22 and the distances between the two quartiles and the median...
The following data is exam score and hours looking at social media in that week of...
The following data is exam score and hours looking at social media in that week of the exam from a sample of 10 students. Student 1 2 3 4 5 6 7 8 9 10 Exam Score 50 67 72 73 79 33 35 36 89 92 Hours 9.5 9.5 8.2 7.8 6.7 5.9 5.5 4.2 1.8 0.1 a) (3 points) Using the IQR rule are there any outliers for the exam scores? If so write down the number(s). Give...
6. The following stem-and-leaf diagram gives the number of patents held by each of a sample...
6. The following stem-and-leaf diagram gives the number of
patents held by each of a sample of 36 public and private U.S.
universities.
A- I
6. The following stem-and-leaf diagram gives the number of patents held by each of a sample of 36 public and private U.S. universities. 0 223 4799 1 11145566689 2 023479 3 004355 419 a) What is the shape of the distribution? Explain. b) What percentage of universities in the sample hold at least 50 patents?...
Consider the data presented below of a dataset of midterm exam scores from last year’s stats...
Consider the data presented below of a dataset of midterm exam scores from last year’s stats class. Do the following: Group them into a frequency distribution employing a class width of i = 10. Create a summary table showing: The class intervals The upper and lower real limits of each class interval The midpoints of each class interval The grouped frequency distribution of each class interval The cumulative frequency for each class interval The cumulative proportion of each class interval...
5-8 show work 5. 6. At a local high school 5000 juniors and seniors recently took...
5-8 show work
5. 6. At a local high school 5000 juniors and seniors recently took an aptitude test. The results of the exam were normally distributed with mean - 450 and o = 50. Calculate the following: a. The PERCENT of students to the nearest tenth of a percent that scored over 425 b. The number of students that scored more than 475 c. The probability of a student selected at random having scored between 400 and 575 A...
Download the attached data file. Use the data file to answer the questions 1 to 5...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Download the attached data file. Use the data file to answer the questions 1 to 5...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Sometimes, data must be modified before a stem-and-leaf plot may be constructed. For example, the data...
Sometimes, data must be modified before a stem-and-leaf plot may be constructed. For example, the data in the accompanying table represent the five-year rate of return of 20 mutual funds and are reported to the hundredth decimal place. So, if we used the integer portion of the data as the stem and the decimals as the leaves, then the stems would be 8, 9, 10, ..., 19; but the leaves would be two digits (such as 94. 53, and so...
4) The following is a Stem and Lead MINITAB out that represents the scores of Exam #1 in Math 260. Stem-and-LeafDisplay: Scores Stem-and-leaf of Scores N45 11255 022446 045 1235578 559 79 13368 177 005489 015 10 0 Given the data abeve, b. What score separates the botom 95% from the top 5 %7 a. Determine Q c. What is the percentile of the score 67 d. List the Five Number Summary. ) Given the data set of 23, 56,...
Problem #6: Consider the data set that is summarized in the Minitab Output below Stem-and-Leaf Display: C1 Stem-and-leaf of Ci N = 13 Leaf Unit = 1.0 1 1 5 2 2 7 2 3 4 4 17 |(6) 5 339999 3 6 357 (a) Find the values of Q1 and Q3. (b) Find the median (c) Find the adjacent values (Note: Read the last two pages of this file for the relevant definitions, and for an example.) (d) Which...
The following data is exam score and hours looking at social media in that week of the exam from a sample of 10 students. Student 1 2 3 4 5 6 7 8 9 10 Exam Score 50 67 72 73 79 33 35 36 89 92 Hours 9.5 9.5 8.2 7.8 6.7 5.9 5.5 4.2 1.8 0.1 a) (3 points) Using the IQR rule are there any outliers for the exam scores? If so write down the number(s). Give...
6. The following stem-and-leaf diagram gives the number of
patents held by each of a sample of 36 public and private U.S.
universities.
A- I
6. The following stem-and-leaf diagram gives the number of patents held by each of a sample of 36 public and private U.S. universities. 0 223 4799 1 11145566689 2 023479 3 004355 419 a) What is the shape of the distribution? Explain. b) What percentage of universities in the sample hold at least 50 patents?...
5-8 show work
5. 6. At a local high school 5000 juniors and seniors recently took an aptitude test. The results of the exam were normally distributed with mean - 450 and o = 50. Calculate the following: a. The PERCENT of students to the nearest tenth of a percent that scored over 425 b. The number of students that scored more than 475 c. The probability of a student selected at random having scored between 400 and 575 A...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Download the attached data file. Use the data file to answer the questions 1 to 5 1. Select a proper variable and use a bar graph to describe the distributions of this variable (show percentage, increasingly) a. Use a paragraph to describe the frequency distribution and relative frequency of this variable. Indicate the mode 2. Construct two pie charts by using another proper variable by further dividing this variable into two categories with another two-leveled variable a. Also, use a...
Sometimes, data must be modified before a stem-and-leaf plot may be constructed. For example, the data in the accompanying table represent the five-year rate of return of 20 mutual funds and are reported to the hundredth decimal place. So, if we used the integer portion of the data as the stem and the decimals as the leaves, then the stems would be 8, 9, 10, ..., 19; but the leaves would be two digits (such as 94. 53, and so...
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