**Self-Review 17-4**A social scientist sampled 140 people and classified them according to income level and whether or not they played a state lottery in the last month. The sample information is reported below. Is it reasonable to conclude that playing the lottery is related to income level? Use the 0.05 significance level.| | Income | | | ||--------------|-----------------|----------|------------|--------|| | Low | Middle | High | Total || Played | 46 | 28 | 21 | 95 || Did not play | 14 | 12 | 19 | 45 || Total | 60 | 40 | 40 | 140 |**Questions:**(a) What is this table called?(b) State the null hypothesis and the alternative hypothesis.(c) What is the decision rule?(d) Determine the value of chi-square.(e) Make a decision on the null hypothesis. Interpret the result.

Name: **Self-Review 17-4**A social scientist sampled 140 people and classif
Uploaded: 2024-03-20T07:07:00.000Z
Channel: Bartleby
Description: **Self-Review 17-4**A social scientist sampled 140 people and classified them according to income level and whether or not they played a state lottery in the last month. The sample information is reported below. Is it reasonable to conclude that pla

(a) The table here is in the matrix format representing the frequencies of the variables under study…

Math

Statistics

Self-Review 17-4 A social scientist sampled 140 people and classified them according to income level and whether or not they played a state lottery in the last month. The sample information is reported below. Is it reasonable to conclude that playing the lottery is related to income level? Use the .05 significance level. Income Low Middle High Total 46 28 21 95 Played Did not play 14 12 19 45 Total 60 40 40 140 (a) What is this table called? (b) State the null hypothesis and the alternate hypothesis. (c) What is the decision rule? (d) Determine the value of chi-square. (e) Make a decision on the null hypothesis. Interpret the result.

Self-Review 17-4 A social scientist sampled 140 people and classified them according to income level and whether or not they played a state lottery in the last month. The sample information is reported below. Is it reasonable to conclude that playing the lottery is related to income level? Use the .05 significance level. Income Low Middle High Total 46 28 21 95 Played Did not play 14 12 19 45 Total 60 40 40 140 (a) What is this table called? (b) State the null hypothesis and the alternate hypothesis. (c) What is the decision rule? (d) Determine the value of chi-square. (e) Make a decision on the null hypothesis. Interpret the result.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The Chelsea Football Club (FC) is a British soccer team. The table shows the goals scored by either team in the games played by Chelsea FC between August and May of a recent season. Goals scored 1 4 6. 7 Number of 10 14 14 10 1 1 games What is the relative frequency for 4 goals scored? Explain. What is the mode for goals scorede at is the meannumbe OF godis sooredr Showen plain. 4. What is the median number of goals scored? Show and explain. 5. Give an example of a new value that would be an outlier for this data. Explain. O 5
Need help urgently please
what is the median for parents?
A business reports that their average salary is over $91,000, the simple mean of the salaries listed in the chart. Alternatively, instead of a simple mean, the business could report the median, or the mode. Which would be the most useful to someone deciding whether to apply for an entry level job at this business? Job Number of Employees Salary Line workers 10 $30,000 Office manager 1 $45,000 CEO 1 $200,000 Select one: a. Simple mean is best b. Simple mean and median are nearly equal numerically. They are equally good for this purpose and better than the other options. O c. Simple mean and mode are equally good for this purpose and better than the other options. d. Median and mode are about equally good for this purpose and better than other options.
A Likert Scale is a tool used in many sample surveys to collect opinions on a statement. In this exercise you are asked to use a scale that runs from 5=strongly agree 4-agree 3-neither agree nor disagree 2-disagree 1-strongly disagree What sort of data is a Likert Scale, and why?
← The following data lists the ages of a random selection of actresses when they won an award in the category of Best Actress, along with the ages of actors when they won in the category of Best Actor. The ages are matched according to the year that the awards were presented. Complete parts (a) and (b) below. is 2: ? Actress (years) 27 27 Actor (years) 56 35 2 a. Use the sample data with a 0.01 significance level to test the claim that for the population of ages of Best Actresses and Best Actors, the differences have a mean less than 0 (indicating that the Best Actresses are generally younger than Best Actors). View an example In this example, is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the actress's age minus the actor's age. What are the null and alternative hypotheses for the hypothesis test? Ho: H0 year(s) H₁: H0 year(s) (Type integers or decimals. Do not round.) Identify the test statistic. t=…
Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are foot lengths in inches of randomly selected women in a study of a country's military in 1988. Are the statistics representative of the current population of all women in that country's military? 9.4 10.2 9.0 10.2 8.5 9.2 8.8 8.9 10.4 9.0 9.0 a. Find the mean. 2 The mean is inch(es). (Type an integer or a decimal rounded to two decimal places as needed.) ew an example Get more help - F2 W S X дв mmand w非 # 3 26 80 E D $ ALA 4 C a F4 R LL F Stv ♫ONZAG % л х 5 V FS T G 6 MacBook Air B Y & 7 H F7 U N * 8 J DII 1 M ( 9 K DD O O QQQQQQQQ L Clear all P : { + [ Check answer I command option ? 11 1 1 delete
Is there an association between hair color and body type? The table below shows the results of a researcher's observations of randomly selected people. Frequencies of Hair Colors for Various Body Types Blonde Brunette Red Head 71 80 96 108 55 115 46 91 Short and Slender Short and Pudgy Tall and Slender Tall and Heavy What can be concluded at the o= 0.01 significance level? 53 74 69 63
Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are the jersey numbers of 11 players randomly selected from the roster of a championship sports team. What do the results tell us? 45 23 31 28 9 17 85 75 25 19 33 O a. ruu U IO Ita The mean is 35.5. (Type an integer or a decimal rounded to one decimal place as needed.) b. Find the median The median is 28. (Type an integer or a decimal rounded to one decimal place as needed.) c. Find the mode. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mode(s) is(are) (Type an integer or a decimal. Do not round. Use a comma to separate answer as needed.) O B. There is no mode. d. Find the midrange. The midrange is 47. (Type an integer or a decimal rounded to one decimal place s needed.) e. What do the results tell us? O A. The jersey numbers are nominal data and they do not measure or count anything, so the resultin…
The table below shows the scores of a group of students on a 10-point quiz. Frequency Test Score 3 4 5 6 7 8 9 10 2 3 0 3 3 3 4 4 The mean score on this test is: The median score on this test is:
The Wall Street Journal Corporate Perceptions Study 2011 surveyed readers and asked how each rated the quality of management and the reputation of the company for over 250 worldwide corporations. Both the quality of management and the reputation of the company were rated on an excellent, good, and fair categorical scale. Assume the sample data for 200 respondents below applies to this study. Quality of Management Reputation of Company Excellent Good Fair Excellent 40 25 5 Good 35 28 10 Fair 25 17 15 (a) Use a 0.05 level of significance and test for independence of the quality of management and the reputation of the company. State the null and alternative hypotheses. H0: Quality of management is not independent of the reputation of the company.Ha: Quality of management is independent of the reputation of the company. H0: Quality of management is independent of the reputation of the company.Ha: Quality of management is not independent of the…
Hospitals In a study of births in New York State, data were collected from four hospitals coded as follows: (1) Albany Medical Center; (1438) Bellevue Hospital Center; (66) Olean General Hospital; (413) Strong Memorial Hospital. Does it make sense to calculate the average (mean) of the numbers 1, 1438, 66, and 413?