Standard Deviation and High School Seniors
Part 1 of 1 - |
Question 1 of 10 | 1.0 Points |
Consider the following scenario in answering questions 1 through 4.
Results from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation. A random sample of 200 high school seniors from this city reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of significance.
State the null and alternative hypotheses. | | | A. H0: = .79, H1: > .79 | | | | B. H0: p = .79, H1: p ≠ .79 | | | | C. H0: p ≤ .79, H1: p > .79 | | | | D. H0: = .79, H1: > .79 | |
Reset Selection | Question 2 of 10 | 1.0 Points |
Consider the following scenario in answering questions 1 through 4. Results from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation. A random sample of 200 high school seniors from this city reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of significance.
Compute the z or t value of the sample test statistic. | | | A. z = 0.69 | | | | B. t = 1.645 | | | | C. z = 1.96 | | | | D. z = 0.62 | |
Reset Selection | Question 3 of 10 | 1.0 Points |
Consider the following scenario in answering questions 1 through 4. Results from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation. A random sample of 200 high school seniors from this city reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of significance.
What is your conclusion? | | | A. Do not reject H0. There is not enough evidence to support the claim that the proportion of students planning to go to
Question 1 of 10 | 1.0 Points |
Consider the following scenario in answering questions 1 through 4.
Results from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation. A random sample of 200 high school seniors from this city reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of significance.
State the null and alternative hypotheses. | | | A. H0: = .79, H1: > .79 | | | | B. H0: p = .79, H1: p ≠ .79 | | | | C. H0: p ≤ .79, H1: p > .79 | | | | D. H0: = .79, H1: > .79 | |
Reset Selection | Question 2 of 10 | 1.0 Points |
Consider the following scenario in answering questions 1 through 4. Results from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation. A random sample of 200 high school seniors from this city reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of significance.
Compute the z or t value of the sample test statistic. | | | A. z = 0.69 | | | | B. t = 1.645 | | | | C. z = 1.96 | | | | D. z = 0.62 | |
Reset Selection | Question 3 of 10 | 1.0 Points |
Consider the following scenario in answering questions 1 through 4. Results from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation. A random sample of 200 high school seniors from this city reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of significance.
What is your conclusion? | | | A. Do not reject H0. There is not enough evidence to support the claim that the proportion of students planning to go to