A random sample of 15 statistics tutorials was selected from the past 5 years, and the percentage of students absent from each one was recorded. The results are given below. Assume the percentages of students' absences are approximately normally distributed. Use a TI-83, TI-83 plus, or TI-84 calculator to estimate the mean percentage of absences per tutorial over the past 5 years with 90% confidence. Round your answers to two decimal places and use increasing order. Number of Absences 10.8 12.5 9.0 17.2 16.5 12.2 10.9 12.0 13.4 11.7 7.9 10.1 13.2 10.4 15.8
A random sample of 15 statistics tutorials was selected from the past 5 years, and the percentage of students absent from each one was recorded. The results are given below. Assume the percentages of students' absences are approximately normally distributed. Use a TI-83, TI-83 plus, or TI-84 calculator to estimate the mean percentage of absences per tutorial over the past 5 years with 90% confidence. Round your answers to two decimal places and use increasing order. Number of Absences 10.8 12.5 9.0 17.2 16.5 12.2 10.9 12.0 13.4 11.7 7.9 10.1 13.2 10.4 15.8
MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
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Question
![A random sample of 15 statistics tutorials was selected from the past 5 years, and the percentage of students absent from
each one was recorded. The results are given below. Assume the percentages of students' absences are approximately
normally distributed. Use a TI-83, TI-83 plus, or TI-84 calculator to estimate the mean percentage of absences per tutorial
over the past 5 years with 90% confidence. Round your answers to two decimal places and use increasing order.
Number of Absences
10.8
12.5
9.0
17.2
16.5
12.2
10.9
12.0
13.4
11.7
7.9
10.1
13.2
10.4
15.8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa4f4170c-59c1-4e62-9b6a-8b03a28c9e3a%2F5342f6fe-b935-463b-a0c3-ad088b55fed6%2Fkvy8ws_processed.png&w=3840&q=75)
Transcribed Image Text:A random sample of 15 statistics tutorials was selected from the past 5 years, and the percentage of students absent from
each one was recorded. The results are given below. Assume the percentages of students' absences are approximately
normally distributed. Use a TI-83, TI-83 plus, or TI-84 calculator to estimate the mean percentage of absences per tutorial
over the past 5 years with 90% confidence. Round your answers to two decimal places and use increasing order.
Number of Absences
10.8
12.5
9.0
17.2
16.5
12.2
10.9
12.0
13.4
11.7
7.9
10.1
13.2
10.4
15.8
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