Calculate test statistic for testing the null hypothesis

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"On a standardized test of English grammar the mean score is 100 with a standard deviation of 10. A teachertimes out is a new teaching method with class of 35 randomly selected students and finds their mean performance to be 103. Calculate the test statistic for testing the null hypothesis. The slass mean will be not be signfically different from the population mean. What is your decision about the null hypothesis?"

Reference no: EM13143668

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