C6. How many hours per week do you spend on e-mail? Data are presented here for a GSSsample of 99 men and women, who each reported the number of hours they spent perweek on e-mail.a. Compute the cumulative frequency and cumulative percentage distribution for thedata.b. What proportion of the sample spent 3 hours or less per week on e-mail?C. What proportion of the sample spent 6 or more hours per week on e-mail?d. Construct a graph that best displays these data. Explain why the graph you selected isappropriate for these data.E-mail Hours per WeekFrequency19201132246.6.28.16.2310 or more7.

Email Hours per week Frequency 0 19 1 20 2 13 3 5 4 2 5 6 6 5 7 2 8 3 9 1 10…

Answered: a. Compute the cumulative frequency and…

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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This data represents tests scores on the statistics final 85 63 40 59 68 98 102 43 78 86 95 63 99 81 72 75 32 80 89 1. Make a grouped frequency table using class width 10. 2. Make an appropriate graph (histogram or bargraph) to represent your grouped frequency table 3. Make a box plot. And determine if there are outliers.
3. Consider the following sets of data from Dataset II. For the dataset, determine what type of chart or graph would best represent those data (A-D). Explain your reasoning in detail. Pie chart Line graph Bar graph Scatter plot Dataset II: Carolyn collected data on rates of recycling participation over the last eight years to determine whether her city’s education program has been effective. In 2006, before the education program was implemented, 9% of the city’s residents recycled. Her data follows: Year Participation Rate 2006 9% 2007 13% 2008 17% 2009 22% 2010 28% 2011 31% 2012 32% 2013 30% 2014 31% What type of figure would best represent these data in Dataset II? ________ Reasoning:
College students recorded the self-reported weights (in pounds) of some community college male baseball players and male soccer players. Write a brief comparison of the distributions of weights for the two groups. Include appropriate graphics. Click the icon to view the weights of male baseball and soccer players. Make dotplots using the same axis with one set of data above the other. Choose the correct graph below. Click here to view dotplots C Click here to view dotplots D. Click here to view dofplots B. O Click here to view dotplats A Compare the shape, center, and variation (and mention outliers if there were any). Baseball players' weights are to weigh with The soccer players' weights are with The baseball players tend soccer players. The baseball players have a distribution with variability than the soccer players' distribution. Data table Baseball Players' Weights: 190,192,183,183,190,187,187,187,192,192,184,184,184,192,187,228,183,190,180,184,183,187,184,184,205,187,230 Soccer…
Use this dataset for your analysis software.Cost-to-charge ratio (the percentage of the amount billed that represents the actual cost) for inpatient and outpatient services at 11 Oregon hospitals is shown in the following table. A scatterplot of the data is also shown. Cost-to-Charge Ratio Hospital OutpatientCare InpatientCare 1 62 80 2 66 76 3 63 75 4 51 62 5 75 100 6 65 88 7 56 64 8 45 50 9 48 54 10 71 83 11 54 100 The least-squares regression line with y = inpatient cost-to-charge ratio and x = outpatient cost-to-charge ratio is = -1.1 + 1.29 x. (a) Is the observation for Hospital 11 an influential observation? Yes or No (b) Is the observation for Hospital 11 an outlier? Yes or No (c) Is the observation for Hospital 5 an influential observation? Yes or No (d) Is the observation for Hospital 5 an outlier? Yes or No
show how to answer and put into graphing calculator. Ppool = .126
Construct a histogram displaying your data. In complete sentences, describe the shape of your graph. Construct a box plot displaying your data. Does the middle 50% of the data appear to be concentrated together or spread apart? Explain how you determined this. Looking at both the histogram and the box plot, discuss the distribution of your data. alue smaller than 3 and larger than 5 will be considered an outlier.
Find the 5 number summary for the data shown below. 31 3 27 34 53 86 15 94 82 5 number summary: Submit Question
8. Construct a box plot for the following data by finding the min, Q1, median, Q3, the max, and the IQR. 59, 50, 65, 68, 72, 80, 82
Construct a stem-and-leaf plot for the following data. 55 37 51 42 48 36 14 23 43 40 32 39 35 30 40 21 23 34 31 22
Use the same scales to construct modified boxplots for the pulse rates of males and females from the accompanying data sets. Identify any outliers. Use the boxplots to compare the two data sets. Click the icon to view the data sets. Determine the boxplot for the men's pulse rate data. Choose the correct graph below. O A. O C. xx HE 40 50 60 70 80 90 100110 O C. What points are outliers? OA. 46 O B. 46, 89, 105 OC. 46, 48, 105 O D. 105 40 50 60 70 80 90 100110 -ידי xH Determine the boxplot for the women's boxplot data. Choose the correct graph below. O A. Q 40 50 60 70 80 90 100110 xH Q 40 50 60 70 80 90 100110 Q ✔ Q ✔ C O B. O D. O B. O D. 841x 40 50 60 70 80 90 100110 X 40 50 60 70 80 90 100110 40 50 60 70 80 90 100110 XX 40 50 60 70 80 90 100110 Q Q M Q Q ✔ Pulse rates for men and women Men's Pulse Rates 59 72 72 58 84 50 58 65 66 55 105 64 65 77 70 62 Women's Pulse Rates 76 70 74 83 59 67 65 72 74 89 85 78 56 80 60 46 70 59 70 75 66 68 66 72 77 78 97 74 62 81 54 74 77 79 89 95 59 98…
3. The data in the table shows the mileage that students commute to school. B. Find the weighted mean. Miles Midpoint Frequency 10 - 14 12 8 15 - 19 17 C. Draw a histogram for the data. 20 - 24 22 9 25 - 29 27 21 30 - 34 32 7 A. How many students are in the class?
It is generally believed that there is a relationship between a college’s acceptance rate and its graduation rate. I wanted to know how strong this relationship is within the top universities in the country so I collected the graduation rate and acceptance rate data of a randomly selected sample of universities from all the top U.S. universities (with an acceptance rate at or below 30%). The data set is in Tab Q2 of the Excel data file. a.) Create a scatter plot between the two variables using Excel. Paste the plot here and format it into an APA-styled “figure” (see Assignment Guides for APA format).Be sure to submit the Excel file that you used to create the scatter plot. b) Calculate the mean and standard deviation for the two variables separately. c) Calculate the Z scores for all the scores of the two variables, separately.Tips: It may help to prevent error and to increase clarity if the process and/or the answers (z scores) are listed in a table format. d) Calculate…

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