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A university interested in tracking its honors program believes that the proportion of graduates with a...
A university is interested in promoting graduates of its honors program by establishing that the mean GPA of these graduates exceeds 3.50. A sample of 36 honors students is taken and is found to have a mean GPA equal to 3.4. The population standard deviation is assumed to equal 0.40. a. Construct the hypotheses H0 and HA b. What is the p-value if a =0.05? c. At the 5% significance level, does the university reject the null hypothesis?
A university is interested in promoting graduates of its honors program by establishing that the mean GPA of these graduates exceeds 3.50. A sample of 36 honors students is taken and is found to have a mean GPA equal to 3.60. The population standard deviation is assumed to equal 0.40. To establish whether the mean GPA exceeds 3.50, the appropriate hypotheses are Multiple Choice HoX3.50, HA : X < 3.50 Ho : μ>3.50, HA : μ < 3.50 Ho :...
A university is interested in promoting graduates of its honors program by establishing that the mean GPA of these graduates exceeds 4.3. A sample of 44 honors students is taken and is found to have a mean GPA equal to 4.4. The population standard deviation is assumed to equal 0.40. The parameter to be tested is O the mean GPA of 4.4 for the 44 selected honors students the mean GPA of all university students the proportion of honors students...
A university is interested in promoting graduates of its honors program by establishing that the mean GPA of these graduates exceeds 4.3. A sample of 44 honors students is taken and is found to have a mean GPA equal to 4.4. The population standard deviation is assumed to equal 0.40. The parameter to be tested is that students who study harder make better grades. True False Question 22 1 pts The alternative hypothesis typically agrees with the status quo. O...
5. L. Wallace, the president of a major public university, believes students’ grade-point-averages [GPAs] decline when students transition from high school to college, on average. To test President Wallace’s belief, you selected a random sample of 41 students enrolled in BMGT 230 this semester and conducted a test to compare each student’s high school GPA [HS_GPA] to their current college GPA [COLL_GPA]. Use the MS Excel output below to answer/complete Parts a through d: t-Test: Paired Two Sample for Means...
In a program designed to help patients stop smoking, 236 patients were given sustained care, and 84.3% of them were no longer smoking after one month. Use a 0.05 significance level to test the claim that 80% of patients stop smoking when given sustained care. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho:p*0.8 H: p=0.8 OB. Ho: P = 0.8 H:p<0.8 @ C. Ho: p = 0.8 H:p*0.8 OD. Ho: p=0.8...