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The SAT IS the most Widely used college admissmn exam. (Most community colleges do not require students to take this exam.) The mean SAT math score

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Question 76 Estimating Mean SATMath Score Type numbers in the boxes‘ . . . . . ’37 Part 1: 5 points
The SAT IS the most Widely used college admissmn exam. (Most community colleges do not require students to take this exam.) The mean SAT math score
varies by state and by year, so the value of p depends on the state and the year. 101301711s But let’s assume that the shape and spread of the distribution of individual SAT math scores in each
state is the same each year. More specifically, assume that individual SAT math scores consistently
have a normal distribution with a standard deviation of 100. An educational researcher wants to
estimate the mean SAT math score (u) for his state this year. The researcher chooses a random
sample of 658 exams in his state. The sample mean for the test is 505. ’37 Part 2: 5 points Find the 95% confidence interval to estimate the mean SAT math score in this state for this year. (Note: The critical z—value to use, 26, is: 1.960.) ( , ) Your answer should be rounded to 3 decimal places. Question 76 Estimating Mean SATMath Score Type numbers in the boxes‘ . . . . . ’37 Part 1: 5 points
The SAT IS the most Widely used college admissmn exam. (Most community colleges do not require students to take this exam.) The mean SAT math score
varies by state and by year, so the value of p depends on the state and the year. 101301711s But let’s assume that the shape and spread of the distribution of individual SAT math scores in each
state is the same each year. More specifically, assume that individual SAT math scores consistently
have a normal distribution with a standard deviation of 100. An educational researcher wants to
estimate the mean SAT math score (u) for his state this year. The researcher chooses a random
sample of 658 exams in his state. The sample mean for the test is 505. ’37 Part 2: 5 points Find the 95% confidence interval to estimate the mean SAT math score in this state for this year. (Note: The critical z—value to use, 26, is: 1.960.) ( , ) Your answer should be rounded to 3 decimal places. Question 76 Estimating Mean SATMath Score Type numbers in the boxes‘ . . . . . ’37 Part 1: 5 points
The SAT IS the most Widely used college admissmn exam. (Most community colleges do not require students to take this exam.) The mean SAT math score
varies by state and by year, so the value of p depends on the state and the year. 101301711s But let’s assume that the shape and spread of the distribution of individual SAT math scores in each
state is the same each year. More specifically, assume that individual SAT math scores consistently
have a normal distribution with a standard deviation of 100. An educational researcher wants to
estimate the mean SAT math score (u) for his state this year. The researcher chooses a random
sample of 658 exams in his state. The sample mean for the test is 505. ’37 Part 2: 5 points Find the 95% confidence interval to estimate the mean SAT math score in this state for this year. (Note: The critical z—value to use, 26, is: 1.960.) ( , ) Your answer should be rounded to 3 decimal places.

 
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