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1. Collected data shows that about 220,00o high schoolers took the AP in 2020. The FRQ section of the exam consisted of five problems. Each FRQ is scored on a o to 4 scale (with 4 being the best). For a certain problem, a random sample of 35 submissions produced a mean score of i =1.627 and a standard deviation of 3, = 1.320. A. Find the standard error of the mean and interpret it. B. Construct a 99% confidence interval to estimate the true mean score on this question and interpret it.

1. Collected data shows that about 220,00o high schoolers took the AP in 2020. The FRQ section of the exam consisted of five problems. Each FRQ is scored on a o to 4 scale (with 4 being the best). For a certain problem, a random sample of 35 submissions produced a mean score of i =1.627 and a standard deviation of 3, = 1.320. A. Find the standard error of the mean and interpret it. B. Construct a 99% confidence interval to estimate the true mean score on this question and interpret it.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1. Collected data shows that about 220,000 high schoolers took the AP in 2020. The FRQ section of the exam consisted of five problems. Each FRO is scored on ao to 4 scale (with 4 being the best). For a certain problem, a random sample of 35 submissions produced a mean score of = 1.627 and a standard deviation of =1.320. A. Find the standard error of the mean and interpret it. B. Construct a g9% confidence interval to estimate the true mean score on this question and interpret it.
Transcribed Image Text:1. Collected data shows that about 220,000 high schoolers took the AP in 2020. The FRQ section of the exam consisted of five problems. Each FRO is scored on ao to 4 scale (with 4 being the best). For a certain problem, a random sample of 35 submissions produced a mean score of = 1.627 and a standard deviation of =1.320. A. Find the standard error of the mean and interpret it. B. Construct a g9% confidence interval to estimate the true mean score on this question and interpret it.
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