5A student was interested in the cigarette-smoking habits of college students and collected data from an unbiased random sample of students. The data are summarized in the following table.Males who smoke20Males who do not smoke30Females who smoke25Females who do not smoke50polntsWhat type of chart best represents the relative class frequencies?Multiple ChoiceВох plotPie chartScatterplotFrequency polygonMc

What type of chart best represents the relative class frequency ?

Answered: A student was interested in the…

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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A student was interested in the cigarette-smoking habits of college students and collected data from an unbiased random sample of students. The data are summarized in the following table. Males who smoke Males who do not smoke Females who smoke Females who do not smoke What type of chart best represents the relative class frequencies? Multiple Choice Pie chart Box plot Frequency polygon 10 40 15 60 Scatterplot
The school counselor needs to meet with students who have more than three absences. Here is some of the data about the students. Student name Homeroom teacher Absences Arianna Mr. Shea 4 Priyanka Ms. Hartley 4 Vivek Ms. Cowan 6 Suraj Mr. Rankin 5 Julia Ms. Andersen 6 ... ... ... The individuals in this data set are: Choose 1 answer: Choose 1 answer: (Choice A) A Homeroom teachers (Choice B) B School counselors (Choice C) C Students This data set contains: Choose 1 answer: Choose 1 answer: (Choice A) A 222 variables, 111 of which is quantitative (Choice B) B 222 variables, 222 of which are quantitative (Choice C) C 555 variables, 111 of which is quantitative (Choice D) D 555 variables, 333 of which are quantitative
Examples of population or sample? A. The types of cars driven by ur classmates B. The wt of five out of 33 tomatoes at the store C. A recent poll of 100 students in the US on studying habits
The Monterey Bay Aquarium, founded in 1984, is situated on the beautiful coast of Monterey Bay in the historic Cannery Row district. In 1985, the aquarium began a survey program that involved randomly sampling visitors as they exit for the day. The survey included visitor demographic information, use of social media, and opinions on their aquarium visit. For each visitor sampled during 2013-2015, the distribution of the number of children in their group is given. Number of Children 0 1 2 3 or more 2013 1855 585 599 515 Year 2014 2015 1751 1998 636 591 601 483 506 289 To access the complete data set, click the link for your preferred software format: CSV Excel JMP Mac-Text Minitab14-18 Minitab18+ PC-Text R SPSS TI CrunchIt! In this exercise, we will answer the question of whether there a significant difference in the distribution of the number of children in the group over this three-year period, and if so, how the distribution has changed. SOLVE: Create a graph of the data using…
The cost of you electricity bill for the last five months are as follows: $54, $36, $80, $65, and $44 a) What is the median cost of electricity b) Find the mean cost of electricity
In 2015, Addison Group and Kelton surveyed the work preferences and attitudes of 948 working adults spread over three generations - Baby Boomers, Generation X, and Millennials (Society for Human Resource Management website). One question asked individuals if they would leave their current job to make more money at another job. The file Millennials contains the sample data, which is also summarized in the following table. Click on the datafile logo to reference the data. DATA file Leave Job for More Money? Yes No What is the p-value? Use Table 3 of Appendix B. The p-value is less than 0.005 Using a 0.05 level of significance, what is your conclusion? Conclude interest in leaving job for more money is Baby Boomer 122 191 Generation Generation X 141 176 Conduct a test of independence to determine whether interest in leaving a current job for more money is independent of employee generation. Compute the value of the x² test statistic (to 2 decimals). Do not round your intermediate…
For the given data set, find the a. mean b. median c. mode (or state that there is no mode) d. midrange. Ages of teachers in the mathematics department of a certain high school: 26, 51, 39, 60, 26, 51, 26, 50, 50, 41
A survey was given to 18 students. One question asked about the one-way distance the student had to travel to attend college. The results, in miles, are shown in the following table. Use the median procedure for finding quartiles to find the first, second, and third quartiles for the data. Distance Traveled to Attend College 34 42 16 18 50 74 2 28 32 32 14 66 72 32 86 24 18 40 Q1=Q2=Q3=
Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of cars each of the cars types. The data below displays the frontal crash test performance percentages. Test whether there are statistical differences in the frontal crash test performance for each type of car. Car Sizes Compact Cars Midsize Cars Full-Size Cars 95 95 93 98 98 97 87 98 92 99 89 92 99 94 84 94 88 87 99 93 88 98 99 89 How many pairs must be compared for follow-up t-tests?

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