subject
Mathematics, 06.05.2020 21:57 Blakemiller2020

In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts College, and 30% of the students were in the Education College. To see whether or not the proportions have changed, a sample of 300 students was taken. Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College.

29. Refer to Exhibit 12-4. This problem is an example of a a. normally distributed variable b. test for independence c. Poisson distributed variable d. multinomial population
30. Refer to Exhibit 12-4. The expected frequency for the Business College is a. 0.3 b. 0.35 c. 90 d. 105
31. Refer to Exhibit 12-4. The calculated value for the test statistic equals a. 0.01 b. 0.75 c. 4.29 d. 4.38
32. Refer to Exhibit 12-4. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals a. 1.645 b. 1.96 c. 5.991 d. 7.815

33. Refer to Exhibit 12-4. The p-value is a. greater than 0.1 b. between 0.05 and 0.1 c. between 0.025 and 0.05 d. between 0.01 and .025
34. Refer to Exhibit 12-4. The conclusion of the test is that the a. proportions have changed significantly b. proportions have not changed significantly c. test is inconclusive d. None of these alternatives is correct.

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:00, eazywalters
There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?
Answers: 2
image
Mathematics, 21.06.2019 18:50, alex7881
In which form is the following function written? y = - 2(x – 3)(x + 5)
Answers: 1
image
Mathematics, 21.06.2019 20:30, sadcase85
Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?
Answers: 2
image
Mathematics, 21.06.2019 23:00, davisbrittany5784
Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.
Answers: 3
You know the right answer?
In the past, 35% of the students at ABC University were in the Business College, 35% of the students...

Questions in other subjects:

Konu
Mathematics, 03.08.2021 01:50
Konu
Mathematics, 03.08.2021 01:50
Konu
Mathematics, 03.08.2021 01:50