A study was conducted to determine how people get jobs. The table below lists data from 400 randomly selected subjects.Job SourcesFrequency18Help-wanted ads (H)Executive search firms (E)Networking (N)Mass mailing (M)300250-200-150-NEM H7029547Choose the correct pie chart.Help-wanted ads (H)Executive search firms (E)Networking (N)Mass mailing (M)| Help-wanted ads (H)Executive search firms (E)Networking (N)Mass mailing (M)Ci| Networking (N)Executive search firms (E)Mass mailing (M)Help-wanted ads (H)Compare the pie chart found above to the Pareto chart given on the left. Can you determine which graph is more effective inshowing the relative importance of job sources?O A. Neither one is effective.O B. The pie chart is more effective.O C. The Pareto chart is more effective.

For the given data Select the correct pie chart

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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12. The rise of online streaming services such as Netflix and HBO Go has dramatically altered the media habits of Americans, especially young adults. A survey was conducted by interviewers at Princeton Data Sources. They selected a nationwide random sample of 384 adults and asked, "What is the primary way you watch television: cable, online streaming, or digital antenna?" The observed counts are given in the side-by-side frequency bar graphs below. Cable or satellite subscription Online streaming service Digital antenna 100 80 80- 60 40 Frequency 31 61 19 70 84 20- 15 10 0 18-29 30-49 50-64 65+ Ages (b) Which cell contributes the most to the chi-square statistic? Describe how the observed and expected counts differ for that category.
In a study conducted by some Statistics students, 71 people were randomly assigned to listen to rap music, music by Mozart, or no music while attempting to memorize objects pictured on a page. They were then asked to list all the objects they could remember. The summary statistics for each group are shown in the table. Complete parts a and b. Rap 23 Mozart No Music Count Mean SD 31 17 11.61 8.04 13.92 4.84 4.48 3.32 Let group M correspond to Mozart listeners and group R correspond to rap listeners. Write the null and alternative hypotheses. Choose the correct answer below. O A Ho Hu - He =0 HA: HM- HR#0 B. Ho: HM-HR =0 HA HM HR 0 OC. Ho Hu- HR
Consider the following data set: 56, \ 56, \ 64, \ 45, \ 69, \ 42, \ 42, \ 18, \ 42, \ 65 59, \ 71, \ 64, \ 18, \ 42, \ 72, \ 62, \ 20, \ 69, \ 60 72, \ 71, \ 51, \ 62, \ 42, \ 62, \ 66, \ 72, \ 60, \ 18 The class width of a histogram with 6 classes is
Please answer all the parts in the picture below as well as the data table, thank you so much :))
64 owners and a similar age group of pet owners. The pet owners are matched one to one with the non-pet owners for income, number of close friendships, and 0. A researcher uses a matched-subjects design to in- than singles without pets. A mood inventory survey vestigate whether single people with pets are happier happier is given to a group of 20- to 29-year-old non-p general health. The data follow: Non-Pet Owner Pet Owner Matched Pair 12 14 8. 10 13 9. 9. D 13 E 10 12 F a. Is there a significant difference in the mood scores for non-pet owners versus pet owners? Test with a = .05 for two tails. b. Construct the 95% confidence interval to estimate the size of the mean difference in mood between the population of pet owners and the population of non-pet owners. (You should find that a mean difference of p, = 0 is an acceptable value, which is consistent with the conclusion from the hypoth- esis test.) %3D D. AB
Assume that 900 births are randomly selected and 443 of the births are girls. Use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high.
Construct a frequency distribution table with six classes for the SGPT test results of the patients in Iloilo Mission Hospital. Determine the class marks, class limits, class boundaries, and cumulative frequencies (less than and greater than) 37 16 24 24 33 47 39 28 18 34 25 35 22 19 43 15 23 26 33 35 29 30 46 34 38 24 20 18 33 34 40 39 25 21 15 16 32 35 20 25
A researcher wants to investigate whether the education level is related to his or her place of residence. Hundred's people were selected randomly. The results are given as follow. Area * Education Level Crosstabulation Education Level Bachelor's SPM Diploma Degree Total Area Urban Count 22 10 18 50 Expected Count 25.0 8.0 17.0 50.0 Rural Count 28 16 50 Expected Count 25.0 8.0 A 50.0 Total Count 50 16 34 100 Expected Count 50.0 16.0 34.0 100.0 Chi-Square Tests Value df Pearson Chi-Square в 2 Likelihood Ratio 1.850 2 Linear-by-Linear Association .778 1 N of Valid Cases a. O cells (0.0%) have expected count less than 5. The 100 minimum expected count is 8.00. a) State a reason of choosing the Chi-Square Test of Independence for this study. b) Calculate the values of A and B. c) At the 5% significance level, test whether education level is associated to his or her place of residence.
The following contingency table represents a cross-classification of hair color and eye color males. Is there an association between hair and eye color in males? Hair Color Eye Color H1 Н2 H3 H4 E1 1768 807 189 47 E2 946 1387 746 53 ЕЗ 115 438 288 16

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