Concept explainers
Constructing Frequency Distributions. In Exercises 11–18, use the indicated data to construct the frequency distribution. (The data for Exercises 13–16 can be downloaded at TriolaStats.com.)
13. Burger King Lunch Service Times Refer to Data Set 25 “Fast Food” and use the drive-through service times for Burger King lunches. Begin with a lower class limit of 70 seconds and use a class width of 40 seconds.
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Chapter 2 Solutions
ELEMENTARY STATISTICS PKG. F13
Additional Math Textbook Solutions
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
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Statistics: The Art and Science of Learning from Data (4th Edition)
Statistics for Business and Economics (13th Edition)
- In Exercises 13–20, determine whether the data are from a discrete or continuous data set. House Attendance The Clerk of the U.S. House of Representatives records the number of representatives present at each session.arrow_forwardData is givenarrow_forward3. The number of goals scored by Wayne Gretzky was recorded for seasons 1978 – 1999. (Please note the data set has been ordered from smallest to the largest for your convenience). 5, 9, 11, 16, 23, 23, 31, 38, 40, 40, 41, 46, 51, 52, 54, 55, 62, 71, 73, 87, 92 A. Construct a stem-and-leaf display for the data and describe the shape of the distribution (symmetric, skewed left, skewed right, bell-shaped, etc., any obvious outliers). B. What is the fraction of the data that is less than or equal to 31? C. Given that Ex, = 920 and Ex = 52 436 find the mean and standard deviation. D. Find the (i) median, (ii) Q1, (iii)Q:, (iv) the interquartile range (IQR), (v) the lower and upper fences. E. Construct a Box-plot for the data. What are your conclusions about the shape of the distribution? Compare with the results in Part A. F. Would the mean or the median be the most suitable measure to use to represent the central location of this distribution? Give reasons for your answer.arrow_forward
- I. Complete the frequency distribution below. Grades 95-99 90-94 85-89 80-84 75-79 II. Complete the data below. COMPUT Q3² D₂ Grades of G10- NEPTUNE in Filipino frequency Class boundaries 10 16 10 Less than cumulative frequency INTERPRETATIONarrow_forwardof This frequency table depicts the average hours spent on social media use for students in PSY201 class. Hours Frequency 4 3.5 3 2.5 2 1.5 1 0.5 0 10 5 5 3 7 16 0 5 3 How many students spent at least 3 hours on social media in PSY201?arrow_forward3. Consider the frequency distribution. Draw a Frequency Bar Graph. Be sure to label both axes. Grade A D F Frequency 15 8 12 5 6arrow_forward
- State observation.arrow_forward1. Create the frequency table of the data.arrow_forwardUse Excel2. The monthly issues of the Journal of Finance are available on the Internet. The table below shows the number of times an issue was downloaded over the last 33 months. Suppose you wish to summarize the number of downloads with a frequency distribution. 312 2,753 2,595 6,057 7,624 6,624 6,362 6,575 7,760 7,085 7,272 5,967 5,256 6,160 6,238 6,709 7,193 5,631 6,490 6,682 7,829 7,091 6,871 6,230 7,253 5,507 5,676 6,974 6,915 4,999 5,689 6,143 7,086 a. Find the mean, median, mode, minimum and maximum values as well as variance, standard deviation, range, b. find Q1,Q2,Q3 and if there are any outliers c. Find the 35th percentile and the 90th percentile of the dataarrow_forward
- The frequency distribution shown in the figure lists the annual salaries of the managers at Universal Manufacturing of Melonville. Construct a histogram to represent the data.arrow_forward2. Construct FREQUENCY DISTRIBUTION TABLE. Show your solution for each step in constructing FDT. 135 42 49 110 50 112 42 44 120 48 52 52 55 50 56 58 60 140 62 62 70 84 73 76 78 80 85 138 65 68 86 92 94 94 88 90 49 100 108 109 50 112 114 115 48 130 40 85 139 60arrow_forward4. The data below represent the number of fatal commercial airline incidents in the United States foreach year from 1998–2011. Find the mode.1 2 3 6 0 2 2 3 2 1 2 1 0 0 5. The table shows the list of average high temperatures in degrees Farenheit for each of the month ofthe year on an island country. Find the mode. Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 81 82 82 83 85 86 87 87 87 86 84 82 6. Five hundred college graduates were asked how much they donate to their alma mater on an annualbasis. Find the mode of the responses. Responses Frequency$500 or more 45Between 0 to $500 150Nothing 275Refused to answer 30 7. The data shows the number of losses by the team that won the NCAA men’s basketball championshipfor the year…arrow_forward
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
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