Question

The College of Dentistry at the University of Florida has made a commitment to develop its entire curriculum around the use of self-paced instructional materials such as videotapes, slide tapes, and syllabi. It is hoped that each student will proceed at a pace commensurate with his or her ability and that the instructional staff will have more free time for personal consultation in student-faculty interaction. One such instructional module was developed and tested on the first 50 students proceeding through the curriculum. The results summarizing the number of hours it took these students to complete the required modular activity is given below. Assume these measurements are representative of all students that eventually complete the self-paced modular activity. Summary Statistics Mean 15.96 Std Dev 8.4996038 Std Err Mean 1.2020255 Upper 95% Mean 18.375561 Lower 95% Mean 13.544439 N 50 The College of Dentistry understands that the students have busy lives. Some may be married with children and have to work to pay for their education. Is there enough evidence that, on average, students can complete the modular activity within a day? Perform a hypothesis test using a significance level of 0.05.

          The College of Dentistry at the University of Florida has made a commitment to develop its
entire curriculum around the use of self-paced instructional materials such as videotapes,
slide tapes, and syllabi. It is hoped that each student will proceed at a pace commensurate
with his or her ability and that the instructional staff will have more free time for personal
consultation in student-faculty interaction.
One such instructional module was developed and tested on the first 50 students
proceeding through the curriculum. The results summarizing the number of hours it took
these students to complete the required modular activity is given below. Assume these
measurements are representative of all students that eventually complete the self-paced
modular activity.
Summary Statistics
Mean	15.96
Std Dev	8.4996038
Std Err Mean	1.2020255
Upper 95% Mean	18.375561
Lower 95% Mean	13.544439
N	50
The College of Dentistry understands that the students have busy lives. Some may be
married with children and have to work to pay for their education. Is there enough
evidence that, on average, students can complete the modular activity within a day?
Perform a hypothesis test using a significance level of 0.05.

The College of Dentistry at the University of Florida has made a commitment to develop its
entire curriculum around the use of self-paced instructional materials such as videotapes,
slide tapes, and syllabi. It is hoped that each student will proceed at a pace commensurate
with his or her ability and that the instructional staff will have more free time for personal
consultation in student-faculty interaction.
One such instructional module was developed and tested on the first 50 students
proceeding through the curriculum. The results summarizing the number of hours it took
these students to complete the required modular activity is given below. Assume these
measurements are representative of all students that eventually complete the self-paced
modular activity.
Summary Statistics
Mean 15.96
Std Dev 8.4996038
Std Err Mean 1.2020255
Upper 95% Mean 18.375561
Lower 95% Mean 13.544439
N 50
The College of Dentistry understands that the students have busy lives. Some may be
married with children and have to work to pay for their education. Is there enough
evidence that, on average, students can complete the modular activity within a day?
Perform a hypothesis test using a significance level of 0.05.

Added by Connie G.

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