Quiz 3-Module 2

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Thompson Rivers University *

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Economics

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Jun 22, 2024

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12/20/2019 Quiz 3, Module 2 https://moodle.tru.ca/mod/quiz/review.php?attempt=629879&cmid=322857 1/7 Dashboard / My courses / ECON_2331_J01_201725 / Sections / Module 2 / Quiz 3, Module 2 Question 1 Complete Mark 1.00 out of 1.00 Question 2 Complete Mark 1.00 out of 1.00 Question 3 Complete Mark 1.00 out of 1.00 Started on Wednesday, 18 December 2019, 8:46 AM State Finished Completed on Wednesday, 18 December 2019, 9:26 AM Time taken 40 mins 1 sec Grade 15.00 out of 16.00 ( 94 %) In order not to violate the requirements necessary to use the chi-square distribution, each expected frequency in a goodness of fit test must be: Select one: a. At least 5 b. At least 10 c. No more than 5 d. Less than 2 A statistical test conducted to determine whether to reject or not reject a hypothesized probability distribution for a population is known as a: Select one: a. Contingency test b. Probability test c. Goodness of fit test d. None of these alternatives is correct. The degrees of freedom for a contingency table with 12 rows and 12 columns is: Select one: a. 144 b. 121 c. 12 d. 120
12/20/2019 Quiz 3, Module 2 https://moodle.tru.ca/mod/quiz/review.php?attempt=629879&cmid=322857 2/7 Question 4 Complete Mark 1.00 out of 1.00 Question 5 Complete Mark 1.00 out of 1.00 Question 6 Complete Mark 1.00 out of 1.00 Testing the equality of three or more population proportions: Select one: a. Is not possible, since proportions deal with only two possible outcomes b. Uses a t - test c. Is the same as a test of equality of means d. Uses a chi-square test Exhibit 12-4 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. Refer to Exhibit 12-4. This problem is an example of a: Select one: a. Normally distributed variable b. Test for independence c. Poisson distributed variable d. Multinomial population Exhibit 12-4 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. Refer to Exhibit 12-4. The expected frequency for the Business College is: Select one: a. 0.3 b. 0.35 c. 90 d. 105
12/20/2019 Quiz 3, Module 2 https://moodle.tru.ca/mod/quiz/review.php?attempt=629879&cmid=322857 3/7 Question 7 Complete Mark 1.00 out of 1.00 Question 8 Complete Mark 1.00 out of 1.00 Question 9 Complete Mark 1.00 out of 1.00 Exhibit 12-4 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. Refer to Exhibit 12-4. The calculated value for the test statistic equals: Select one: a. 0.01 b. 0.75 c. 4.29 d. 4.38 Exhibit 12-4 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. Refer to Exhibit 12-4. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals: Select one: a. 1.645 b. 1.96 c. 5.991 d. 7.815 Exhibit 12-4 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. Refer to Exhibit 12-4. The p-value is: Select one: 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
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