A study was conducted to determine how people get jobs. The table lists data from 400 randomly selected subjects. Construct a Pareto chart Job Sourcesthat corresponds to the given data. If someone would like to get a job, what seems to be the most effective approach?Help-wanted ads (H)Executive search firms (E)Networking (N)Mass mailing (M)Choose the correct Pareto chart.OA.300250-200-150-100-50-0-Ε Ν Η ΜO B.300250200-150-100-50-0-HEN MCO C.300250-200-150-100-50-0-ENHMO D.300-250-200-150-100-50-0-HENMFrequency432715729 If someone would like to get a job, what seems to be the most effective approach?A. Networking (N)O B. Help-wanted ads (H)O C. Mass mailing (M)O D. Executive search firms (E)

Answered: A study was conducted to determine how…

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 website posts evaluations on airlines. It posts the most positive and the most negative comments for each airline. Discuss the usefulness of this feedback for a reader wanting to know about the airline. Choose the correct statement below. Select all that apply. A. The reader cannot accurately assess the airline because the method of choosing the sample is unclear. B. The reader can accurately assess the airline based on the posted evaluations. C. The reader cannot accurately assess the airline without reading all of the evaluations. D. The reader cannot accurately assess the airline because the evaluations posted are not necessarily representative of all the evaluations.
Gender and Award Preference: A two-way table showing preferences for an award (Academy Award, Nobel Prize, Olympic gold medal) by gender for the students sampled in shown below. Test whether the data indicate there is some association between gender and preferred award. Use a=.05 Two-way table of gender and preferred award Academy Nobel Olympic Total Female 20 76 73 169 Male 11 73 109 193 Total 31 149 182 362 How many degrees of freedom do we have for this test? Find the value of the chi-square statistic for the sample. Find the p-value. Do you reject the null hypothesis? Yes or no.
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
By a small margin, Facebook remains the top choice of social media over all ages, with 29% using Facebook most often among those using social media sites. However, more visually oriented social networks such as Snapchat and Instagram continue to draw in younger audiences. When asked "Which one social networking brand do you use most often?" the results in the table show the top brands chosen by Americans aged 12-34 who currently use any social networking site or service. Social M edia Site Faceboo k Snapchat Instagra m Twitter Percentage That Use Most Often 29 28 26 6 20 (a) What is the sum of the percentages for these top social media sites? Give your answer as an exact number. Macmillan Learning top social media sites: What percent of Americans aged 12-34 use other social media sites most often? Give your answer as an exact number. other social media sites: do %
A study was done looking at cancer rates near a large factory. The researchers collected data for the survey by placing signs around town, listing a survey website that people could log into if they or their family members developed cancer in the last 10 years. What main type of bias in present in this study design? Resemblance bias Low sample size bias Volunteer bias Sample of convenience
John hands out survey forms to his classmates to be returned to him next week. It is an example of Response bias Measurement bias Sampling bias Non response bias
Can someone please help? Thank you.
Compare the pie chart found above to the Pareto chart given on the left. Can you determine which graph is more effective in showing the relative importance of job sources? O A. Neither one is effective. O B. The Pareto chart is more effective. OC. The pie chart is more effective.
What social media tools do marketers commonly use? The “2015 Social Media Marketing Industry Report” by Social Media Examiner (socialmediaexaminer.com) surveyed marketers who commonly use an indicated social media tool. Surveyed marketers who commonly use an indicated social media tool. Surveyed were both B2B marketers, marketers that primarily target consumers. Suppose the survey was based on 500B2B marketers and 500 B2C marketers and yielded the results in the following table below: SOCIAL MEDIA TOOL BUSINESS FOCUS (B2B) (%) BUSINESS FOCUS (B2C) (%) FACEBOOK 88 96 TWITTER 83 77 For each social media tool, at the 0.05 level of significance, determine whether there is a difference between B2B marketers and B2C marketers in the proportion who used each social media tool. State the complete hypotheses (hypothesis null and hypothesis alternative for question (a) above
A man was buying shoes wheb a salesperson commebted on hiw small his feet were. After telling her she had a lousy sales technique, he decided to inveatigate if he really does have feet that are smaller than the typical american man. If he is in the 20th percentile for shoe size among american men, is the saleswoman right or wrong?
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Random digit dialing telephone surveys used to exclude cell phone numbers. If the opinions of people who have only cell phones differ from those of people who have landline service, the poll results may not represent the entire adult population. The Pew Research Center interviewed separate random samples of cell-only and landline telephone users who were less than 30 years old. Here’s what the Pew survey found about how these people describe their political party affiliation. Do we reject, or fail to reject, the null hypothesis?

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