Lab 3 - Word Khalia Merriwe Layout References Mailings Review View Help Tell me what you want to do For questions 8-11: Assume the population of grade point averages (GPAS) of college students are normally distributed. GPAS of 13 randomly selected college students are given: 2.3 3.5 2.6 1.8 3.1 4.0 0.9 2.3 2.0 3.1 3.4 1.3 3.9 HINT: For #8 & #9, review graphing calculator steps for entering data and 1-Var Stats to have the mean and standard deviation calculated for nou, 8. Find the sample mean. 9. Find the sample standard deviation. Round to 2 decimal places. 10. Construct a 99% t-confidence interval for the population mean. 11. Interpret the confidence interval in a complete sentence. 12. You wish to estimate, with 99% confidence, the population proportion of U.S. adults who support labeling legislation for genetically modified organisms (GMOS). You estimate must be accurate within 3% of the population proportion. No preliminary estimate is available. Find the minimum sample size needed.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Lab 3 - Word
Khalia Merriwe
Layout
References
Mailings
Review
View
Help
Tell me what you want to do
For questions 8-11: Assume the population of grade point averages (GPAS) of college
students are normally distributed. GPAS of 13 randomly selected college students are given:
2.3
3.5
2.6
1.8
3.1
4.0
0.9
2.3
2.0
3.1
3.4
1.3
3.9
HINT: For #8 & #9, review graphing calculator steps for entering data and 1-Var Stats to have
the mean and standard deviation calculated for
nou,
8. Find the sample mean.
9. Find the sample standard deviation. Round to 2 decimal places.
10. Construct a 99% t-confidence interval for the population mean.
11. Interpret the confidence interval in a complete sentence.
12. You wish to estimate, with 99% confidence, the population proportion of U.S. adults
who support labeling legislation for genetically modified organisms (GMOS). You
estimate must be accurate within 3% of the population proportion. No preliminary
estimate is available. Find the minimum sample size needed.
Transcribed Image Text:Lab 3 - Word Khalia Merriwe Layout References Mailings Review View Help Tell me what you want to do For questions 8-11: Assume the population of grade point averages (GPAS) of college students are normally distributed. GPAS of 13 randomly selected college students are given: 2.3 3.5 2.6 1.8 3.1 4.0 0.9 2.3 2.0 3.1 3.4 1.3 3.9 HINT: For #8 & #9, review graphing calculator steps for entering data and 1-Var Stats to have the mean and standard deviation calculated for nou, 8. Find the sample mean. 9. Find the sample standard deviation. Round to 2 decimal places. 10. Construct a 99% t-confidence interval for the population mean. 11. Interpret the confidence interval in a complete sentence. 12. You wish to estimate, with 99% confidence, the population proportion of U.S. adults who support labeling legislation for genetically modified organisms (GMOS). You estimate must be accurate within 3% of the population proportion. No preliminary estimate is available. Find the minimum sample size needed.
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