Scenario: The mean score for all high school seniors taking a college entrance exam is 500. Advocates for a charter school boast that their program helps to increase student exam scores. For a random sample of 100 students from the charter school, the mean exam score is 516 with a standard deviation of 90. Test the school's claim that their program improves student test scores. Question: Which of the following is closest to the correct test statistic for this hypothesis test? [Note: you should do the calculations yourself to identify the correct answer]

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Scenario: The mean score for all high school seniors taking a college entrance exam is 500.
Advocates for a charter school boast that their program helps to increase student exam scores. For a
random sample of 100 students from the charter school, the mean exam score is 516 with a
standard deviation of 90. Test the school's claim that their program improves student test scores.
Question: Which of the following is closest to the correct test statistic for this hypothesis test?
[Note: you should do the calculations yourself to identify the correct answer]
t = 3.26, df = 92
t = 1.78, df = 99
t = 2.81, df = 94
t = 2.32, df = 99
Transcribed Image Text:Scenario: The mean score for all high school seniors taking a college entrance exam is 500. Advocates for a charter school boast that their program helps to increase student exam scores. For a random sample of 100 students from the charter school, the mean exam score is 516 with a standard deviation of 90. Test the school's claim that their program improves student test scores. Question: Which of the following is closest to the correct test statistic for this hypothesis test? [Note: you should do the calculations yourself to identify the correct answer] t = 3.26, df = 92 t = 1.78, df = 99 t = 2.81, df = 94 t = 2.32, df = 99
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