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Calculate the test statistic and find the p-value

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Reference no: EM132893856

At Western University, the average scholarship examination scores for freshman applications has been 900. Every year, the assistant dean uses a sample of applications to determine whether the average examination score for the new freshman applications is different from 900. A random sample of 200 applications was drawn and the average score was found to be 935 and a standard deviation of 180. Historically, it is known that the score has a Normal distribution.

a) Identify the parameter of interest.

b) Set up the null hypothesis and the alternative hypothesis.

c) Calculate the test statistic and find the p-value

d) Draw a conclusion so that the Dean could understand. Use 5% significance level.

Reference no: EM132893856

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